74909532 has 24 divisors (see below), whose sum is σ = 174960016. Its totient is φ = 24945408.

The previous prime is 74909509. The next prime is 74909537. The reversal of 74909532 is 23590947.

It is a super-2 number, since 2×74909532² = 11222875968918048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74909537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13158 + ... + 17970.

Almost surely, 2^74909532 is an apocalyptic number.

It is an amenable number.

74909532 is an abundant number, since it is smaller than the sum of its proper divisors (100050484).

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

74909532 is a wasteful number, since it uses less digits than its factorization.

74909532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117 (or 6115 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 74909532 is about 8655.0292893785. The cubic root of 74909532 is about 421.5467007239.

The spelling of 74909532 in words is "seventy-four million, nine hundred nine thousand, five hundred thirty-two".