72747196 has 12 divisors (see below), whose sum is σ = 131697720. Its totient is φ = 35119280.

The previous prime is 72747163. The next prime is 72747209. The reversal of 72747196 is 69174727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313450 + ... + 313681.

It is an arithmetic number, because the mean of its divisors is an integer number (10974810).

Almost surely, 2^72747196 is an apocalyptic number.

It is an amenable number.

72747196 is a deficient number, since it is larger than the sum of its proper divisors (58950524).

72747196 is a wasteful number, since it uses less digits than its factorization.

72747196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627164 (or 627162 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 72747196 is about 8529.1966796411. The cubic root of 72747196 is about 417.4509170549.

The spelling of 72747196 in words is "seventy-two million, seven hundred forty-seven thousand, one hundred ninety-six".