72998625 has 32 divisors (see below), whose sum is σ = 138827520. Its totient is φ = 33369600.

The previous prime is 72998623. The next prime is 72998633. The reversal of 72998625 is 52689927.

It is not a de Polignac number, because 72998625 - 2¹ = 72998623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72998621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11280 + ... + 16529.

It is an arithmetic number, because the mean of its divisors is an integer number (4338360).

Almost surely, 2^72998625 is an apocalyptic number.

72998625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72998625 is a deficient number, since it is larger than the sum of its proper divisors (65828895).

72998625 is a wasteful number, since it uses less digits than its factorization.

72998625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27834 (or 27824 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 72998625 is about 8543.9232791499. The cubic root of 72998625 is about 417.9312956073.

The spelling of 72998625 in words is "seventy-two million, nine hundred ninety-eight thousand, six hundred twenty-five".