72818152 has 32 divisors (see below), whose sum is σ = 149436000. Its totient is φ = 32990400.

The previous prime is 72818147. The next prime is 72818167. The reversal of 72818152 is 25181827.

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, 29527 + ... + 31897.

It is an arithmetic number, because the mean of its divisors is an integer number (4669875).

Almost surely, 2^72818152 is an apocalyptic number.

It is an amenable number.

72818152 is an abundant number, since it is smaller than the sum of its proper divisors (76617848).

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

72818152 is a wasteful number, since it uses less digits than its factorization.

72818152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2733 counting only the distinct ones).

The product of its digits is 8960, while the sum is 34.

The square root of 72818152 is about 8533.3552603885. The cubic root of 72818152 is about 417.5865970704.

Adding to 72818152 its reverse (25181827), we get a palindrome (97999979).

The spelling of 72818152 in words is "seventy-two million, eight hundred eighteen thousand, one hundred fifty-two".