72968216 has 16 divisors (see below), whose sum is σ = 144863640. Its totient is φ = 34337920.

The previous prime is 72968177. The next prime is 72968219. The reversal of 72968216 is 61286927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72968219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268130 + ... + 268401.

Almost surely, 2^72968216 is an apocalyptic number.

It is an amenable number.

72968216 is a deficient number, since it is larger than the sum of its proper divisors (71895424).

72968216 is a wasteful number, since it uses less digits than its factorization.

72968216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536554 (or 536550 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 72968216 is about 8542.1435249005. The cubic root of 72968216 is about 417.8732550717.

The spelling of 72968216 in words is "seventy-two million, nine hundred sixty-eight thousand, two hundred sixteen".