72796506 has 16 divisors (see below), whose sum is σ = 148979424. Its totient is φ = 23701104.

The previous prime is 72796489. The next prime is 72796517. The reversal of 72796506 is 60569727.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140821 + ... + 141336.

It is an arithmetic number, because the mean of its divisors is an integer number (9311214).

Almost surely, 2^72796506 is an apocalyptic number.

72796506 is an abundant number, since it is smaller than the sum of its proper divisors (76182918).

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

72796506 is a wasteful number, since it uses less digits than its factorization.

72796506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282205.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 72796506 is about 8532.0868490657. The cubic root of 72796506 is about 417.5452155602.

The spelling of 72796506 in words is "seventy-two million, seven hundred ninety-six thousand, five hundred six".