72828651 has 12 divisors (see below), whose sum is σ = 112958952. Its totient is φ = 41616288.

The previous prime is 72828643. The next prime is 72828661. The reversal of 72828651 is 15682827.

It is not a de Polignac number, because 72828651 - 2³ = 72828643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72828601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247570 + ... + 247863.

It is an arithmetic number, because the mean of its divisors is an integer number (9413246).

Almost surely, 2^72828651 is an apocalyptic number.

72828651 is a deficient number, since it is larger than the sum of its proper divisors (40130301).

72828651 is a wasteful number, since it uses less digits than its factorization.

72828651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495450 (or 495443 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 72828651 is about 8533.9704124165. The cubic root of 72828651 is about 417.6066654685.

The spelling of 72828651 in words is "seventy-two million, eight hundred twenty-eight thousand, six hundred fifty-one".