72708268 has 24 divisors (see below), whose sum is σ = 132531840. Its totient is φ = 34863360.

The previous prime is 72708263. The next prime is 72708287. The reversal of 72708268 is 86280727.

It is a self number, because there is not a number n which added to its sum of digits gives 72708268.

It is not an unprimeable number, because it can be changed into a prime (72708263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11418 + ... + 16606.

It is an arithmetic number, because the mean of its divisors is an integer number (5522160).

Almost surely, 2^72708268 is an apocalyptic number.

It is an amenable number.

72708268 is a deficient number, since it is larger than the sum of its proper divisors (59823572).

72708268 is a wasteful number, since it uses less digits than its factorization.

72708268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337 (or 5335 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 72708268 is about 8526.9143305184. The cubic root of 72708268 is about 417.3764425748.

The spelling of 72708268 in words is "seventy-two million, seven hundred eight thousand, two hundred sixty-eight".