1372350645 has 12 divisors (see below), whose sum is σ = 2378741196. Its totient is φ = 731920320.

The previous prime is 1372350631. The next prime is 1372350671. The reversal of 1372350645 is 5460532731.

1372350645 is a `hidden beast` number, since 1 + 3 + 7 + 2 + 3 + 5 + 0 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 723018321 + 649332324 = 26889^2 + 25482^2 .

It is not a de Polignac number, because 1372350645 - 2¹³ = 1372342453 is a prime.

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, 15248296 + ... + 15248385.

It is an arithmetic number, because the mean of its divisors is an integer number (198228433).

Almost surely, 2^1372350645 is an apocalyptic number.

1372350645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1372350645 is a deficient number, since it is larger than the sum of its proper divisors (1006390551).

1372350645 is a wasteful number, since it uses less digits than its factorization.

1372350645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30496692 (or 30496689 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 1372350645 is about 37045.2513151146. The cubic root of 1372350645 is about 1111.2753906006.

The spelling of 1372350645 in words is "one billion, three hundred seventy-two million, three hundred fifty thousand, six hundred forty-five".