74752656 has 80 divisors (see below), whose sum is σ = 217509888. Its totient is φ = 21916800.

The previous prime is 74752651. The next prime is 74752673. The reversal of 74752656 is 65625747.

It is not an unprimeable number, because it can be changed into a prime (74752651) 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, 14085 + ... + 18651.

Almost surely, 2^74752656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74752656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108754944).

74752656 is an abundant number, since it is smaller than the sum of its proper divisors (142757232).

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

74752656 is a wasteful number, since it uses less digits than its factorization.

74752656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4614 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 74752656 is about 8645.9618319768. The cubic root of 74752656 is about 421.2522265054.

The spelling of 74752656 in words is "seventy-four million, seven hundred fifty-two thousand, six hundred fifty-six".