74527864 has 16 divisors (see below), whose sum is σ = 147960000. Its totient is φ = 35071872.

The previous prime is 74527841. The next prime is 74527867. The reversal of 74527864 is 46872547.

It is a self number, because there is not a number n which added to its sum of digits gives 74527864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74527867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273864 + ... + 274135.

It is an arithmetic number, because the mean of its divisors is an integer number (9247500).

Almost surely, 2^74527864 is an apocalyptic number.

It is an amenable number.

74527864 is a deficient number, since it is larger than the sum of its proper divisors (73432136).

74527864 is a wasteful number, since it uses less digits than its factorization.

74527864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548022 (or 548018 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 74527864 is about 8632.9522181001. The cubic root of 74527864 is about 420.8295471694.

The spelling of 74527864 in words is "seventy-four million, five hundred twenty-seven thousand, eight hundred sixty-four".