27472825 has 12 divisors (see below), whose sum is σ = 34420540. Its totient is φ = 21749760.

The previous prime is 27472817. The next prime is 27472847. The reversal of 27472825 is 52827472.

It can be written as a sum of positive squares in 6 ways, for example, as 1585081 + 25887744 = 1259^2 + 5088^2 .

It is not a de Polignac number, because 27472825 - 2³ = 27472817 is a prime.

It is a super-2 number, since 2×27472825² = 1509512226961250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 3240 + ... + 8089.

Almost surely, 2^27472825 is an apocalyptic number.

27472825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27472825 is a deficient number, since it is larger than the sum of its proper divisors (6947715).

27472825 is a wasteful number, since it uses less digits than its factorization.

27472825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436 (or 11431 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 27472825 is about 5241.4525658447. The cubic root of 27472825 is about 301.7410796286.

The spelling of 27472825 in words is "twenty-seven million, four hundred seventy-two thousand, eight hundred twenty-five".