1372813725 has 12 divisors (see below), whose sum is σ = 2269718816. Its totient is φ = 732167280.

The previous prime is 1372813709. The next prime is 1372813753. The reversal of 1372813725 is 5273182731.

It is not a de Polignac number, because 1372813725 - 2⁴ = 1372813709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9152017 + ... + 9152166.

Almost surely, 2^1372813725 is an apocalyptic number.

1372813725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1372813725 is a deficient number, since it is larger than the sum of its proper divisors (896905091).

1372813725 is a wasteful number, since it uses less digits than its factorization.

1372813725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18304196 (or 18304191 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 1372813725 is about 37051.5009817416. The cubic root of 1372813725 is about 1111.4003711800.

The spelling of 1372813725 in words is "one billion, three hundred seventy-two million, eight hundred thirteen thousand, seven hundred twenty-five".