72208488 has 32 divisors (see below), whose sum is σ = 196932960. Its totient is φ = 21881280.

The previous prime is 72208457. The next prime is 72208489. The reversal of 72208488 is 88480227.

It is a super-2 number, since 2×72208488² = 10428131478492288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72208489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136495 + ... + 137022.

It is an arithmetic number, because the mean of its divisors is an integer number (6154155).

Almost surely, 2^72208488 is an apocalyptic number.

It is an amenable number.

72208488 is an abundant number, since it is smaller than the sum of its proper divisors (124724472).

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

72208488 is a wasteful number, since it uses less digits than its factorization.

72208488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273537 (or 273533 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 72208488 is about 8497.5577667939. The cubic root of 72208488 is about 416.4179262750.

The spelling of 72208488 in words is "seventy-two million, two hundred eight thousand, four hundred eighty-eight".