1627472725 has 6 divisors (see below), whose sum is σ = 2018066210. Its totient is φ = 1301978160.

The previous prime is 1627472701. The next prime is 1627472773. The reversal of 1627472725 is 5272747261.

It can be written as a sum of positive squares in 3 ways, for example, as 1044484 + 1626428241 = 1022^2 + 40329^2 .

It is not a de Polignac number, because 1627472725 - 2⁷ = 1627472597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32549430 + ... + 32549479.

Almost surely, 2^1627472725 is an apocalyptic number.

It is an amenable number.

1627472725 is a deficient number, since it is larger than the sum of its proper divisors (390593485).

1627472725 is an equidigital number, since it uses as much as digits as its factorization.

1627472725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65098919 (or 65098914 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 1627472725 is about 40341.9474616682. The cubic root of 1627472725 is about 1176.2633702648.

The spelling of 1627472725 in words is "one billion, six hundred twenty-seven million, four hundred seventy-two thousand, seven hundred twenty-five".