72982554 has 16 divisors (see below), whose sum is σ = 146210592. Its totient is φ = 24286608.

The previous prime is 72982489. The next prime is 72982561. The reversal of 72982554 is 45528927.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6244 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (9138162).

Almost surely, 2^72982554 is an apocalyptic number.

72982554 is an abundant number, since it is smaller than the sum of its proper divisors (73228038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72982554 is a wasteful number, since it uses less digits than its factorization.

72982554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20461.

The product of its digits is 201600, while the sum is 42.

The square root of 72982554 is about 8542.9827343850. The cubic root of 72982554 is about 417.9006234917.

It can be divided in two parts, 72982 and 554, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 72982554 in words is "seventy-two million, nine hundred eighty-two thousand, five hundred fifty-four".