1372736272 has 20 divisors (see below), whose sum is σ = 2660253840. Its totient is φ = 686219168.

The previous prime is 1372736243. The next prime is 1372736329. The reversal of 1372736272 is 2726372731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128679 + ... + 138937.

It is an arithmetic number, because the mean of its divisors is an integer number (133012692).

Almost surely, 2^1372736272 is an apocalyptic number.

It is an amenable number.

1372736272 is a deficient number, since it is larger than the sum of its proper divisors (1287517568).

1372736272 is a wasteful number, since it uses less digits than its factorization.

1372736272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18630 (or 18624 counting only the distinct ones).

The product of its digits is 148176, while the sum is 40.

The square root of 1372736272 is about 37050.4557596799. The cubic root of 1372736272 is about 1111.3794693610.

The spelling of 1372736272 in words is "one billion, three hundred seventy-two million, seven hundred thirty-six thousand, two hundred seventy-two".