27418690 has 16 divisors (see below), whose sum is σ = 53150328. Its totient is φ = 10123776.

The previous prime is 27418681. The next prime is 27418697. The reversal of 27418690 is 9681472.

It can be written as a sum of positive squares in 4 ways, for example, as 7678441 + 19740249 = 2771^2 + 4443^2 .

It is a super-2 number, since 2×27418690² = 1503569122632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27418697) 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, 105327 + ... + 105586.

Almost surely, 2^27418690 is an apocalyptic number.

27418690 is a deficient number, since it is larger than the sum of its proper divisors (25731638).

27418690 is a wasteful number, since it uses less digits than its factorization.

27418690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210933.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27418690 is about 5236.2858974659. The cubic root of 27418690 is about 301.5427564459.

The spelling of 27418690 in words is "twenty-seven million, four hundred eighteen thousand, six hundred ninety".