74647056 has 80 divisors (see below), whose sum is σ = 216111168. Its totient is φ = 22003200.

The previous prime is 74647037. The next prime is 74647091. The reversal of 74647056 is 65074647.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17626 + ... + 21446.

Almost surely, 2^74647056 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 74647056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108055584).

74647056 is an abundant number, since it is smaller than the sum of its proper divisors (141464112).

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

74647056 is a wasteful number, since it uses less digits than its factorization.

74647056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3874 counting only the distinct ones).

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

The square root of 74647056 is about 8639.8527765235. The cubic root of 74647056 is about 421.0537711329.

The spelling of 74647056 in words is "seventy-four million, six hundred forty-seven thousand, fifty-six".