74630472 has 64 divisors (see below), whose sum is σ = 214072320. Its totient is φ = 21238848.

The previous prime is 74630453. The next prime is 74630483. The reversal of 74630472 is 27403647.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50853 + ... + 52299.

It is an arithmetic number, because the mean of its divisors is an integer number (3344880).

Almost surely, 2^74630472 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 74630472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107036160).

74630472 is an abundant number, since it is smaller than the sum of its proper divisors (139441848).

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

74630472 is a wasteful number, since it uses less digits than its factorization.

74630472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1766 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 74630472 is about 8638.8929846364. The cubic root of 74630472 is about 421.0225876172.

The spelling of 74630472 in words is "seventy-four million, six hundred thirty thousand, four hundred seventy-two".