74243372 has 12 divisors (see below), whose sum is σ = 148486800. Its totient is φ = 31818576.

The previous prime is 74243347. The next prime is 74243381. The reversal of 74243372 is 27334247.

74243372 is an admirable number.

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, 1325747 + ... + 1325802.

It is an arithmetic number, because the mean of its divisors is an integer number (12373900).

Almost surely, 2^74243372 is an apocalyptic number.

It is an amenable number.

74243372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74243372 is a wasteful number, since it uses less digits than its factorization.

74243372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651560 (or 2651558 counting only the distinct ones).

The product of its digits is 28224, while the sum is 32.

The square root of 74243372 is about 8616.4593656559. The cubic root of 74243372 is about 420.2933928850.

The spelling of 74243372 in words is "seventy-four million, two hundred forty-three thousand, three hundred seventy-two".