74915064 has 64 divisors (see below), whose sum is σ = 237830400. Its totient is φ = 21403872.

The previous prime is 74915063. The next prime is 74915083. The reversal of 74915064 is 46051947.

It is a super-2 number, since 2×74915064² = 11224533628248192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74915063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23262 + ... + 26285.

It is an arithmetic number, because the mean of its divisors is an integer number (3716100).

Almost surely, 2^74915064 is an apocalyptic number.

It is an amenable number.

74915064 is an abundant number, since it is smaller than the sum of its proper divisors (162915336).

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

74915064 is a wasteful number, since it uses less digits than its factorization.

74915064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49569 (or 49559 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 74915064 is about 8655.3488664525. The cubic root of 74915064 is about 421.5570774138.

The spelling of 74915064 in words is "seventy-four million, nine hundred fifteen thousand, sixty-four".