27406490 has 8 divisors (see below), whose sum is σ = 49331700. Its totient is φ = 10962592.

The previous prime is 27406481. The next prime is 27406541. The reversal of 27406490 is 9460472.

27406490 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 27384289 + 22201 = 5233^2 + 149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×27406490² = 1502231388240200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370315 + ... + 1370334.

Almost surely, 2^27406490 is an apocalyptic number.

27406490 is a deficient number, since it is larger than the sum of its proper divisors (21925210).

27406490 is a wasteful number, since it uses less digits than its factorization.

27406490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740656.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 27406490 is about 5235.1208200002. The cubic root of 27406490 is about 301.4980257968.

The spelling of 27406490 in words is "twenty-seven million, four hundred six thousand, four hundred ninety".