72974616 has 96 divisors (see below), whose sum is σ = 216066480. Its totient is φ = 20401920.

The previous prime is 72974599. The next prime is 72974639. The reversal of 72974616 is 61647927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36786 + ... + 38718.

Almost surely, 2^72974616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72974616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108033240).

72974616 is an abundant number, since it is smaller than the sum of its proper divisors (143091864).

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

72974616 is a wasteful number, since it uses less digits than its factorization.

72974616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977 (or 1962 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 72974616 is about 8542.5181299193. The cubic root of 72974616 is about 417.8854718550.

The spelling of 72974616 in words is "seventy-two million, nine hundred seventy-four thousand, six hundred sixteen".