72245796 has 36 divisors (see below), whose sum is σ = 196097328. Its totient is φ = 20641488.

The previous prime is 72245743. The next prime is 72245821. The reversal of 72245796 is 69754227.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60846 + ... + 62021.

It is an arithmetic number, because the mean of its divisors is an integer number (5447148).

Almost surely, 2^72245796 is an apocalyptic number.

It is an amenable number.

72245796 is an abundant number, since it is smaller than the sum of its proper divisors (123851532).

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

72245796 is a wasteful number, since it uses less digits than its factorization.

72245796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122888 (or 122879 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 72245796 is about 8499.7527022849. The cubic root of 72245796 is about 416.4896308884.

The spelling of 72245796 in words is "seventy-two million, two hundred forty-five thousand, seven hundred ninety-six".