72238880 has 48 divisors (see below), whose sum is σ = 195048000. Its totient is φ = 24767232.

The previous prime is 72238877. The next prime is 72238889. The reversal of 72238880 is 8883227.

It is not an unprimeable number, because it can be changed into a prime (72238889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31130 + ... + 33369.

It is an arithmetic number, because the mean of its divisors is an integer number (4063500).

Almost surely, 2^72238880 is an apocalyptic number.

72238880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72238880 is an abundant number, since it is smaller than the sum of its proper divisors (122809120).

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

72238880 is a wasteful number, since it uses less digits than its factorization.

72238880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64521 (or 64513 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 72238880 is about 8499.3458571822. The cubic root of 72238880 is about 416.4763404533.

The spelling of 72238880 in words is "seventy-two million, two hundred thirty-eight thousand, eight hundred eighty".