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74081330 = 257408133
BaseRepresentation
bin1000110101001…
…10010000110010
312011101201110222
410122212100302
5122431100310
611203453042
71556452361
oct432462062
9164351428
1074081330
11388a9444
1220987182
131246a40b
149ba57d8
156785055
hex46a6432

74081330 has 8 divisors (see below), whose sum is σ = 133346412. Its totient is φ = 29632528.

The previous prime is 74081327. The next prime is 74081347. The reversal of 74081330 is 3318047.

It can be written as a sum of positive squares in 2 ways, for example, as 65723449 + 8357881 = 8107^2 + 2891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74081330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3704057 + ... + 3704076.

Almost surely, 274081330 is an apocalyptic number.

74081330 is a deficient number, since it is larger than the sum of its proper divisors (59265082).

74081330 is a wasteful number, since it uses less digits than its factorization.

74081330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408140.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 74081330 is about 8607.0511791205. The cubic root of 74081330 is about 419.9873956913.

Adding to 74081330 its reverse (3318047), we get a palindrome (77399377).

The spelling of 74081330 in words is "seventy-four million, eighty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 7408133 14816266 37040665 74081330