72728200874372 has 24 divisors (see below), whose sum is σ = 131676079550400. Its totient is φ = 35106710665376.

The previous prime is 72728200874369. The next prime is 72728200874423. The reversal of 72728200874372 is 27347800282727.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29666672 + ... + 32024487.

It is an arithmetic number, because the mean of its divisors is an integer number (5486503314600).

Almost surely, 2^{72728200874372} is an apocalyptic number.

It is an amenable number.

72728200874372 is a deficient number, since it is larger than the sum of its proper divisors (58947878676028).

72728200874372 is a wasteful number, since it uses less digits than its factorization.

72728200874372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61701355 (or 61701353 counting only the distinct ones).

The product of its (nonzero) digits is 29503488, while the sum is 59.

The spelling of 72728200874372 in words is "seventy-two trillion, seven hundred twenty-eight billion, two hundred million, eight hundred seventy-four thousand, three hundred seventy-two".