72998248 has 32 divisors (see below), whose sum is σ = 139593600. Its totient is φ = 35779968.

The previous prime is 72998243. The next prime is 72998257. The reversal of 72998248 is 84289927.

It is a super-2 number, since 2×72998248² = 10657488422139008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72998243) 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, 139315 + ... + 139837.

It is an arithmetic number, because the mean of its divisors is an integer number (4362300).

Almost surely, 2^72998248 is an apocalyptic number.

It is an amenable number.

72998248 is a deficient number, since it is larger than the sum of its proper divisors (66595352).

72998248 is a wasteful number, since it uses less digits than its factorization.

72998248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 837 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 72998248 is about 8543.9012166574. The cubic root of 72998248 is about 417.9305761400.

The spelling of 72998248 in words is "seventy-two million, nine hundred ninety-eight thousand, two hundred forty-eight".