27320530 has 16 divisors (see below), whose sum is σ = 52070040. Its totient is φ = 10285312.

The previous prime is 27320509. The next prime is 27320533. The reversal of 27320530 is 3502372.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22838841 + 4481689 = 4779^2 + 2117^2 .

It is a super-2 number, since 2×27320530² = 1492822718961800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27320533) 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, 80185 + ... + 80524.

Almost surely, 2^27320530 is an apocalyptic number.

27320530 is a deficient number, since it is larger than the sum of its proper divisors (24749510).

27320530 is a wasteful number, since it uses less digits than its factorization.

27320530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160733.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 27320530 is about 5226.9044376189. The cubic root of 27320530 is about 301.1824811521.

The spelling of 27320530 in words is "twenty-seven million, three hundred twenty thousand, five hundred thirty".