1372530663 has 20 divisors (see below), whose sum is σ = 2343227920. Its totient is φ = 784302912.

The previous prime is 1372530617. The next prime is 1372530667. The reversal of 1372530663 is 3660352731.

It is not a de Polignac number, because 1372530663 - 2⁸ = 1372530407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372530667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1209778 + ... + 1210911.

It is an arithmetic number, because the mean of its divisors is an integer number (117161396).

Almost surely, 2^1372530663 is an apocalyptic number.

1372530663 is a deficient number, since it is larger than the sum of its proper divisors (970697257).

1372530663 is an equidigital number, since it uses as much as digits as its factorization.

1372530663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420708 (or 2420699 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 1372530663 is about 37047.6809395676. The cubic root of 1372530663 is about 1111.3239789667.

The spelling of 1372530663 in words is "one billion, three hundred seventy-two million, five hundred thirty thousand, six hundred sixty-three".