72055596 has 24 divisors (see below), whose sum is σ = 175440384. Its totient is φ = 22974160.

The previous prime is 72055589. The next prime is 72055597. The reversal of 72055596 is 69555027.

It is not an unprimeable number, because it can be changed into a prime (72055597) 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, 130260 + ... + 130811.

It is an arithmetic number, because the mean of its divisors is an integer number (7310016).

Almost surely, 2^72055596 is an apocalyptic number.

It is an amenable number.

72055596 is an abundant number, since it is smaller than the sum of its proper divisors (103384788).

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

72055596 is a wasteful number, since it uses less digits than its factorization.

72055596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261101 (or 261099 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 72055596 is about 8488.5567677904. The cubic root of 72055596 is about 416.1238151543.

The spelling of 72055596 in words is "seventy-two million, fifty-five thousand, five hundred ninety-six".