27090730 has 8 divisors (see below), whose sum is σ = 48763332. Its totient is φ = 10836288.

The previous prime is 27090703. The next prime is 27090761. The reversal of 27090730 is 3709072.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26904969 + 185761 = 5187^2 + 431^2 .

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

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, 1354527 + ... + 1354546.

Almost surely, 2^27090730 is an apocalyptic number.

27090730 is a deficient number, since it is larger than the sum of its proper divisors (21672602).

27090730 is a wasteful number, since it uses less digits than its factorization.

27090730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709080.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 27090730 is about 5204.8755988976. The cubic root of 27090730 is about 300.3356613352.

The spelling of 27090730 in words is "twenty-seven million, ninety thousand, seven hundred thirty".