72863488 has 18 divisors (see below), whose sum is σ = 145442864. Its totient is φ = 36431616.

The previous prime is 72863477. The next prime is 72863501. The reversal of 72863488 is 88436827.

It is a super-2 number, since 2×72863488² = 10618175767052288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142056 + ... + 142567.

Almost surely, 2^72863488 is an apocalyptic number.

It is an amenable number.

72863488 is a deficient number, since it is larger than the sum of its proper divisors (72579376).

72863488 is an equidigital number, since it uses as much as digits as its factorization.

72863488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284639 (or 284625 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 72863488 is about 8536.0112464781. The cubic root of 72863488 is about 417.6732411186.

The spelling of 72863488 in words is "seventy-two million, eight hundred sixty-three thousand, four hundred eighty-eight".