72788488 has 16 divisors (see below), whose sum is σ = 136777680. Its totient is φ = 36314448.

The previous prime is 72788483. The next prime is 72788531. The reversal of 72788488 is 88488727.

It is a super-2 number, since 2×72788488² = 10596327970652288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72788483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (8548605).

Almost surely, 2^72788488 is an apocalyptic number.

It is an amenable number.

72788488 is a deficient number, since it is larger than the sum of its proper divisors (63989192).

72788488 is a wasteful number, since it uses less digits than its factorization.

72788488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19956 (or 19952 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 52.

The square root of 72788488 is about 8531.6169628037. The cubic root of 72788488 is about 417.5298851520.

The spelling of 72788488 in words is "seventy-two million, seven hundred eighty-eight thousand, four hundred eighty-eight".