1372866244 has 24 divisors (see below), whose sum is σ = 2451514968. Its totient is φ = 672522240.

The previous prime is 1372866163. The next prime is 1372866259. The reversal of 1372866244 is 4426682731.

It can be written as a sum of positive squares in 4 ways, for example, as 379860100 + 993006144 = 19490^2 + 31512^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1372866244.

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 7 ways as a sum of consecutive naturals, for example, 51762 + ... + 73654.

It is an arithmetic number, because the mean of its divisors is an integer number (102146457).

Almost surely, 2^1372866244 is an apocalyptic number.

It is an amenable number.

1372866244 is a deficient number, since it is larger than the sum of its proper divisors (1078648724).

1372866244 is a wasteful number, since it uses less digits than its factorization.

1372866244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22215 (or 22213 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 1372866244 is about 37052.2097046856. The cubic root of 1372866244 is about 1111.4145437490.

The spelling of 1372866244 in words is "one billion, three hundred seventy-two million, eight hundred sixty-six thousand, two hundred forty-four".