1372885745 has 64 divisors (see below), whose sum is σ = 2221572096. Its totient is φ = 788167680.

The previous prime is 1372885741. The next prime is 1372885783. The reversal of 1372885745 is 5475882731.

It is not a de Polignac number, because 1372885745 - 2² = 1372885741 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372885693 and 1372885702.

It is not an unprimeable number, because it can be changed into a prime (1372885741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305384 + ... + 309846.

It is an arithmetic number, because the mean of its divisors is an integer number (34712064).

Almost surely, 2^1372885745 is an apocalyptic number.

It is an amenable number.

1372885745 is a deficient number, since it is larger than the sum of its proper divisors (848686351).

1372885745 is a wasteful number, since it uses less digits than its factorization.

1372885745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550.

The product of its digits is 1881600, while the sum is 50.

The square root of 1372885745 is about 37052.4728594462. The cubic root of 1372885745 is about 1111.4198061195.

It can be divided in two parts, 137 and 2885745, that added together give a palindrome (2885882).

The spelling of 1372885745 in words is "one billion, three hundred seventy-two million, eight hundred eighty-five thousand, seven hundred forty-five".