72054988 has 6 divisors (see below), whose sum is σ = 126096236. Its totient is φ = 36027492.

The previous prime is 72054979. The next prime is 72054991. The reversal of 72054988 is 88945027.

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 as a sum of consecutive naturals, namely, 9006870 + ... + 9006877.

Almost surely, 2^72054988 is an apocalyptic number.

It is an amenable number.

72054988 is a deficient number, since it is larger than the sum of its proper divisors (54041248).

72054988 is a wasteful number, since it uses less digits than its factorization.

72054988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013751 (or 18013749 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 72054988 is about 8488.5209547954. The cubic root of 72054988 is about 416.1226447433.

The spelling of 72054988 in words is "seventy-two million, fifty-four thousand, nine hundred eighty-eight".