72250554 has 32 divisors (see below), whose sum is σ = 148469760. Its totient is φ = 23429952.

The previous prime is 72250543. The next prime is 72250583. The reversal of 72250554 is 45505227.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39492 + ... + 41280.

It is an arithmetic number, because the mean of its divisors is an integer number (4639680).

Almost surely, 2^72250554 is an apocalyptic number.

72250554 is an abundant number, since it is smaller than the sum of its proper divisors (76219206).

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

72250554 is a wasteful number, since it uses less digits than its factorization.

72250554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 72250554 is about 8500.0325881728. The cubic root of 72250554 is about 416.4987738156.

The spelling of 72250554 in words is "seventy-two million, two hundred fifty thousand, five hundred fifty-four".