Search a number
-
+
75074664 = 2337263839
BaseRepresentation
bin1000111100110…
…00110001101000
312020021012002010
410132120301220
5123204342124
611241035520
71601060400
oct436306150
9166235063
1075074664
1139417785
1221185ba0
13127275a2
149d83800
1568ce529
hex4798c68

75074664 has 48 divisors (see below), whose sum is σ = 218332800. Its totient is φ = 21449568.

The previous prime is 75074663. The next prime is 75074717. The reversal of 75074664 is 46647057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75074663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30744 + ... + 33095.

It is an arithmetic number, because the mean of its divisors is an integer number (4548600).

Almost surely, 275074664 is an apocalyptic number.

It is an amenable number.

75074664 is an abundant number, since it is smaller than the sum of its proper divisors (143258136).

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

75074664 is a wasteful number, since it uses less digits than its factorization.

75074664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63862 (or 63851 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 75074664 is about 8664.5636935740. The cubic root of 75074664 is about 421.8562285859.

The spelling of 75074664 in words is "seventy-five million, seventy-four thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 63839 127678 191517 255356 383034 446873 510712 766068 893746 1340619 1532136 1787492 2681238 3128111 3574984 5362476 6256222 9384333 10724952 12512444 18768666 25024888 37537332 75074664