27313690 has 16 divisors (see below), whose sum is σ = 49525992. Its totient is φ = 10845184.

The previous prime is 27313681. The next prime is 27313691. The reversal of 27313690 is 9631372.

It can be written as a sum of positive squares in 4 ways, for example, as 18722929 + 8590761 = 4327^2 + 2931^2 .

It is a super-2 number, since 2×27313690² = 1492075322832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27313691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8599 + ... + 11338.

Almost surely, 2^27313690 is an apocalyptic number.

27313690 is a deficient number, since it is larger than the sum of its proper divisors (22212302).

27313690 is a wasteful number, since it uses less digits than its factorization.

27313690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20081.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 27313690 is about 5226.2500896915. The cubic root of 27313690 is about 301.1573442543.

The spelling of 27313690 in words is "twenty-seven million, three hundred thirteen thousand, six hundred ninety".