72888268 has 12 divisors (see below), whose sum is σ = 130521160. Its totient is φ = 35596512.

The previous prime is 72888251. The next prime is 72888287. The reversal of 72888268 is 86288827.

It is a super-2 number, since 2×72888268² = 10625399224079648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211713 + ... + 212056.

Almost surely, 2^72888268 is an apocalyptic number.

It is an amenable number.

72888268 is a deficient number, since it is larger than the sum of its proper divisors (57632892).

72888268 is a wasteful number, since it uses less digits than its factorization.

72888268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423816 (or 423814 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The square root of 72888268 is about 8537.4626207088. The cubic root of 72888268 is about 417.7205843084.

The spelling of 72888268 in words is "seventy-two million, eight hundred eighty-eight thousand, two hundred sixty-eight".