74731552 has 24 divisors (see below), whose sum is σ = 168146496. Its totient is φ = 32027712.

The previous prime is 74731519. The next prime is 74731597. The reversal of 74731552 is 25513747.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166588 + ... + 167035.

It is an arithmetic number, because the mean of its divisors is an integer number (7006104).

Almost surely, 2^74731552 is an apocalyptic number.

It is an amenable number.

74731552 is an abundant number, since it is smaller than the sum of its proper divisors (93414944).

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

74731552 is a wasteful number, since it uses less digits than its factorization.

74731552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333640 (or 333632 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 74731552 is about 8644.7412916755. The cubic root of 74731552 is about 421.2125804505.

It can be divided in two parts, 7473 and 1552, that added together give a square (9025 = 95²).

The spelling of 74731552 in words is "seventy-four million, seven hundred thirty-one thousand, five hundred fifty-two".