74232564 has 24 divisors (see below), whose sum is σ = 197953728. Its totient is φ = 21209280.

The previous prime is 74232551. The next prime is 74232589. The reversal of 74232564 is 46523247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441777 + ... + 441944.

It is an arithmetic number, because the mean of its divisors is an integer number (8248072).

Almost surely, 2^74232564 is an apocalyptic number.

It is an amenable number.

74232564 is an abundant number, since it is smaller than the sum of its proper divisors (123721164).

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

74232564 is a wasteful number, since it uses less digits than its factorization.

74232564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883735 (or 883733 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 74232564 is about 8615.8321710674. The cubic root of 74232564 is about 420.2729971185.

The spelling of 74232564 in words is "seventy-four million, two hundred thirty-two thousand, five hundred sixty-four".