27023690 has 16 divisors (see below), whose sum is σ = 49957992. Its totient is φ = 10517184.

The previous prime is 27023687. The next prime is 27023699. The reversal of 27023690 is 9632072.

It can be written as a sum of positive squares in 4 ways, for example, as 26925721 + 97969 = 5189^2 + 313^2 .

It is a super-2 number, since 2×27023690² = 1460559642432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27023699) 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, 36149 + ... + 36888.

Almost surely, 2^27023690 is an apocalyptic number.

27023690 is a deficient number, since it is larger than the sum of its proper divisors (22934302).

27023690 is a wasteful number, since it uses less digits than its factorization.

27023690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73081.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 27023690 is about 5198.4314942105. The cubic root of 27023690 is about 300.0877150918.

The spelling of 27023690 in words is "twenty-seven million, twenty-three thousand, six hundred ninety".