74680470 has 72 divisors (see below), whose sum is σ = 198289728. Its totient is φ = 19500480.

The previous prime is 74680453. The next prime is 74680483. The reversal of 74680470 is 7408647.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 334779 + ... + 335001.

It is an arithmetic number, because the mean of its divisors is an integer number (2754024).

Almost surely, 2^74680470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74680470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99144864).

74680470 is an abundant number, since it is smaller than the sum of its proper divisors (123609258).

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

74680470 is a wasteful number, since it uses less digits than its factorization.

74680470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 74680470 is about 8641.7862736821. The cubic root of 74680470 is about 421.1165867024.

The spelling of 74680470 in words is "seventy-four million, six hundred eighty thousand, four hundred seventy".