74372648 has 32 divisors (see below), whose sum is σ = 161300160. Its totient is φ = 31488000.

The previous prime is 74372633. The next prime is 74372651. The reversal of 74372648 is 84627347.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353 + ... + 12648.

It is an arithmetic number, because the mean of its divisors is an integer number (5040630).

Almost surely, 2^74372648 is an apocalyptic number.

It is an amenable number.

74372648 is an abundant number, since it is smaller than the sum of its proper divisors (86927512).

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

74372648 is a wasteful number, since it uses less digits than its factorization.

74372648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097 (or 16093 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 74372648 is about 8623.9577921045. The cubic root of 74372648 is about 420.5371962103.

The spelling of 74372648 in words is "seventy-four million, three hundred seventy-two thousand, six hundred forty-eight".