74538616 has 16 divisors (see below), whose sum is σ = 142734240. Its totient is φ = 36476160.

The previous prime is 74538599. The next prime is 74538631. The reversal of 74538616 is 61683547.

It is a happy number.

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, 98745 + ... + 99496.

It is an arithmetic number, because the mean of its divisors is an integer number (8920890).

Almost surely, 2^74538616 is an apocalyptic number.

It is an amenable number.

74538616 is a deficient number, since it is larger than the sum of its proper divisors (68195624).

74538616 is a wasteful number, since it uses less digits than its factorization.

74538616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198294 (or 198290 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 74538616 is about 8633.5749258346. The cubic root of 74538616 is about 420.8497836352.

The spelling of 74538616 in words is "seventy-four million, five hundred thirty-eight thousand, six hundred sixteen".