1372731055 has 16 divisors (see below), whose sum is σ = 1672725600. Its totient is φ = 1081271808.

The previous prime is 1372731049. The next prime is 1372731071. The reversal of 1372731055 is 5501372731.

It is a cyclic number.

It is not a de Polignac number, because 1372731055 - 2⁵ = 1372731023 is a prime.

It is a super-2 number, since 2×1372731055² = 3768781098722826050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1372731055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231771 + ... + 237619.

It is an arithmetic number, because the mean of its divisors is an integer number (104545350).

Almost surely, 2^1372731055 is an apocalyptic number.

1372731055 is a deficient number, since it is larger than the sum of its proper divisors (299994545).

1372731055 is an equidigital number, since it uses as much as digits as its factorization.

1372731055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 1372731055 is about 37050.3853556208. The cubic root of 1372731055 is about 1111.3780614494.

The spelling of 1372731055 in words is "one billion, three hundred seventy-two million, seven hundred thirty-one thousand, fifty-five".