27274570625 has 10 divisors (see below), whose sum is σ = 34082304234. Its totient is φ = 21819656000.

The previous prime is 27274570621. The next prime is 27274570627. The reversal of 27274570625 is 52607547272.

It can be written as a sum of positive squares in 5 ways, for example, as 10000200001 + 17274370624 = 100001^2 + 131432^2 .

It is not a de Polignac number, because 27274570625 - 2² = 27274570621 is a prime.

It is a super-2 number, since 2×27274570625² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27274570625.

It is not an unprimeable number, because it can be changed into a prime (27274570621) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 21819032 + ... + 21820281.

Almost surely, 2^27274570625 is an apocalyptic number.

27274570625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27274570625 is a deficient number, since it is larger than the sum of its proper divisors (6807733609).

27274570625 is an frugal number, since it uses more digits than its factorization.

27274570625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43639333 (or 43639318 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 47.

The spelling of 27274570625 in words is "twenty-seven billion, two hundred seventy-four million, five hundred seventy thousand, six hundred twenty-five".