27900692 has 12 divisors (see below), whose sum is σ = 49330260. Its totient is φ = 13806336.

The previous prime is 27900647. The next prime is 27900739. The reversal of 27900692 is 29600972.

It can be written as a sum of positive squares in 2 ways, for example, as 13868176 + 14032516 = 3724^2 + 3746^2 .

It is a super-2 number, since 2×27900692² = 1556897228157728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35567 + ... + 36342.

It is an arithmetic number, because the mean of its divisors is an integer number (4110855).

Almost surely, 2^27900692 is an apocalyptic number.

It is an amenable number.

27900692 is a deficient number, since it is larger than the sum of its proper divisors (21429568).

27900692 is a wasteful number, since it uses less digits than its factorization.

27900692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72010 (or 72008 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 27900692 is about 5282.1105630231. The cubic root of 27900692 is about 303.2994748130.

The spelling of 27900692 in words is "twenty-seven million, nine hundred thousand, six hundred ninety-two".