74039648 has 24 divisors (see below), whose sum is σ = 145993680. Its totient is φ = 36961920.

The previous prime is 74039629. The next prime is 74039657. The reversal of 74039648 is 84693047.

It is a congruent 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, 25133 + ... + 27923.

It is an arithmetic number, because the mean of its divisors is an integer number (6083070).

Almost surely, 2^74039648 is an apocalyptic number.

It is an amenable number.

74039648 is a deficient number, since it is larger than the sum of its proper divisors (71954032).

74039648 is a wasteful number, since it uses less digits than its factorization.

74039648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630 (or 3622 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 74039648 is about 8604.6294516382. The cubic root of 74039648 is about 419.9086120135.

The spelling of 74039648 in words is "seventy-four million, thirty-nine thousand, six hundred forty-eight".