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75330668 = 22719374389
BaseRepresentation
bin1000111110101…
…11010001101100
312020202012020202
410133113101230
5123241040133
611250333032
71603204640
oct437272154
9166665222
1075330668
1139582056
122128a178
13127b6c7a
14a00cc20
1569302e8
hex47d746c

75330668 has 96 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 28740096.

The previous prime is 75330643. The next prime is 75330677. The reversal of 75330668 is 86603357.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 846368 + ... + 846456.

It is an arithmetic number, because the mean of its divisors is an integer number (1755600).

Almost surely, 275330668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75330668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84268800).

75330668 is an abundant number, since it is smaller than the sum of its proper divisors (93206932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75330668 is a wasteful number, since it uses less digits than its factorization.

75330668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 75330668 is about 8679.3241672379. The cubic root of 75330668 is about 422.3351933571.

The spelling of 75330668 in words is "seventy-five million, three hundred thirty thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 19 28 37 38 43 74 76 86 89 133 148 172 178 259 266 301 356 518 532 602 623 703 817 1036 1204 1246 1406 1591 1634 1691 2492 2812 3182 3268 3293 3382 3827 4921 5719 6364 6586 6764 7654 9842 11137 11438 11837 13172 15308 19684 22274 22876 23051 23674 26789 30229 44548 46102 47348 53578 60458 62567 72713 92204 107156 120916 125134 141599 145426 211603 250268 283198 290852 423206 437969 508991 566396 846412 875938 991193 1017982 1751876 1982386 2035964 2690381 3964772 5380762 10761524 18832667 37665334 75330668