74324272 has 40 divisors (see below), whose sum is σ = 166342032. Its totient is φ = 31795200.

The previous prime is 74324209. The next prime is 74324279. The reversal of 74324272 is 27242347.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74324279) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9429 + ... + 15412.

Almost surely, 2^74324272 is an apocalyptic number.

It is an amenable number.

74324272 is an abundant number, since it is smaller than the sum of its proper divisors (92017760).

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

74324272 is a wasteful number, since it uses less digits than its factorization.

74324272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24877 (or 24871 counting only the distinct ones).

The product of its digits is 18816, while the sum is 31.

The square root of 74324272 is about 8621.1525911562. The cubic root of 74324272 is about 420.4459963742.

The spelling of 74324272 in words is "seventy-four million, three hundred twenty-four thousand, two hundred seventy-two".