1372749956 has 12 divisors (see below), whose sum is σ = 2402977500. Its totient is φ = 686184960.

The previous prime is 1372749947. The next prime is 1372750021. The reversal of 1372749956 is 6599472731.

It can be written as a sum of positive squares in 2 ways, for example, as 204204100 + 1168545856 = 14290^2 + 34184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1372749898 and 1372749907.

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, 30581 + ... + 60668.

It is an arithmetic number, because the mean of its divisors is an integer number (200248125).

Almost surely, 2^1372749956 is an apocalyptic number.

It is an amenable number.

1372749956 is a deficient number, since it is larger than the sum of its proper divisors (1030227544).

1372749956 is a wasteful number, since it uses less digits than its factorization.

1372749956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95014 (or 95012 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 53.

The square root of 1372749956 is about 37050.6404263138. The cubic root of 1372749956 is about 1111.3831622447.

The spelling of 1372749956 in words is "one billion, three hundred seventy-two million, seven hundred forty-nine thousand, nine hundred fifty-six".