1372643432 has 16 divisors (see below), whose sum is σ = 2593973760. Its totient is φ = 680917104.

The previous prime is 1372643383. The next prime is 1372643453. The reversal of 1372643432 is 2343462731.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1372643392 and 1372643401.

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, 674498 + ... + 676529.

It is an arithmetic number, because the mean of its divisors is an integer number (162123360).

Almost surely, 2^1372643432 is an apocalyptic number.

It is an amenable number.

1372643432 is a deficient number, since it is larger than the sum of its proper divisors (1221330328).

1372643432 is a wasteful number, since it uses less digits than its factorization.

1372643432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351160 (or 1351156 counting only the distinct ones).

The product of its digits is 72576, while the sum is 35.

The square root of 1372643432 is about 37049.2028524232. The cubic root of 1372643432 is about 1111.3544141001.

The spelling of 1372643432 in words is "one billion, three hundred seventy-two million, six hundred forty-three thousand, four hundred thirty-two".