74209372 has 12 divisors (see below), whose sum is σ = 129983616. Its totient is φ = 37071200.

The previous prime is 74209363. The next prime is 74209379. The reversal of 74209372 is 27390247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74209379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3004 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (10831968).

Almost surely, 2^74209372 is an apocalyptic number.

It is an amenable number.

74209372 is a deficient number, since it is larger than the sum of its proper divisors (55774244).

74209372 is a wasteful number, since it uses less digits than its factorization.

74209372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16748 (or 16746 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74209372 is about 8614.4861715601. The cubic root of 74209372 is about 420.2292248346.

The spelling of 74209372 in words is "seventy-four million, two hundred nine thousand, three hundred seventy-two".