72859768 has 32 divisors (see below), whose sum is σ = 143078400. Its totient is φ = 34717408.

The previous prime is 72859741. The next prime is 72859783. The reversal of 72859768 is 86795827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65505 + ... + 66607.

It is an arithmetic number, because the mean of its divisors is an integer number (4471200).

Almost surely, 2^72859768 is an apocalyptic number.

It is an amenable number.

72859768 is a deficient number, since it is larger than the sum of its proper divisors (70218632).

72859768 is a wasteful number, since it uses less digits than its factorization.

72859768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1487 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 72859768 is about 8535.7933433278. The cubic root of 72859768 is about 417.6661329819. Note that the first 3 decimals are identical.

The spelling of 72859768 in words is "seventy-two million, eight hundred fifty-nine thousand, seven hundred sixty-eight".