72938616 has 16 divisors (see below), whose sum is σ = 182346600. Its totient is φ = 24312864.

The previous prime is 72938611. The next prime is 72938623. The reversal of 72938616 is 61683927.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72938611) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1519531 + ... + 1519578.

Almost surely, 2^72938616 is an apocalyptic number.

It is an amenable number.

72938616 is an abundant number, since it is smaller than the sum of its proper divisors (109407984).

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

72938616 is a wasteful number, since it uses less digits than its factorization.

72938616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039118 (or 3039114 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 72938616 is about 8540.4107629551. The cubic root of 72938616 is about 417.8167431549.

The spelling of 72938616 in words is "seventy-two million, nine hundred thirty-eight thousand, six hundred sixteen".