1372643434 has 8 divisors (see below), whose sum is σ = 2059252740. Its totient is φ = 686225856.

The previous prime is 1372643383. The next prime is 1372643453. The reversal of 1372643434 is 4343462731.

It can be written as a sum of positive squares in 2 ways, for example, as 1066218409 + 306425025 = 32653^2 + 17505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1372643393 and 1372643402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28449 + ... + 59620.

Almost surely, 2^1372643434 is an apocalyptic number.

1372643434 is a deficient number, since it is larger than the sum of its proper divisors (686609306).

1372643434 is an equidigital number, since it uses as much as digits as its factorization.

1372643434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95864.

The product of its digits is 145152, while the sum is 37.

The square root of 1372643434 is about 37049.2028794143. The cubic root of 1372643434 is about 1111.3544146399.

The spelling of 1372643434 in words is "one billion, three hundred seventy-two million, six hundred forty-three thousand, four hundred thirty-four".