72648296 has 32 divisors (see below), whose sum is σ = 156685440. Its totient is φ = 30932928.

The previous prime is 72648263. The next prime is 72648299. The reversal of 72648296 is 69284627.

It is not an unprimeable number, because it can be changed into a prime (72648299) 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, 4661 + ... + 12923.

It is an arithmetic number, because the mean of its divisors is an integer number (4896420).

Almost surely, 2^72648296 is an apocalyptic number.

It is an amenable number.

72648296 is an abundant number, since it is smaller than the sum of its proper divisors (84037144).

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

72648296 is a wasteful number, since it uses less digits than its factorization.

72648296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433 (or 8429 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 72648296 is about 8523.3969753849. The cubic root of 72648296 is about 417.2616560636.

The spelling of 72648296 in words is "seventy-two million, six hundred forty-eight thousand, two hundred ninety-six".