74217372 has 24 divisors (see below), whose sum is σ = 173327616. Its totient is φ = 24717168.

The previous prime is 74217349. The next prime is 74217373. The reversal of 74217372 is 27371247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74217373) 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, 17043 + ... + 20949.

It is an arithmetic number, because the mean of its divisors is an integer number (7221984).

Almost surely, 2^74217372 is an apocalyptic number.

It is an amenable number.

74217372 is an abundant number, since it is smaller than the sum of its proper divisors (99110244).

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

74217372 is a wasteful number, since it uses less digits than its factorization.

74217372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497 (or 5495 counting only the distinct ones).

The product of its digits is 16464, while the sum is 33.

The square root of 74217372 is about 8614.9504931833. The cubic root of 74217372 is about 420.2443249624.

The spelling of 74217372 in words is "seventy-four million, two hundred seventeen thousand, three hundred seventy-two".