27213630 has 32 divisors (see below), whose sum is σ = 65954304. Its totient is φ = 7185696.

The previous prime is 27213607. The next prime is 27213647. The reversal of 27213630 is 3631272.

It is a self number, because there is not a number n which added to its sum of digits gives 27213630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (2061072).

Almost surely, 2^27213630 is an apocalyptic number.

27213630 is an abundant number, since it is smaller than the sum of its proper divisors (38740674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27213630 is a wasteful number, since it uses less digits than its factorization.

27213630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8920.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 27213630 is about 5216.6684771030. The cubic root of 27213630 is about 300.7891445716.

The spelling of 27213630 in words is "twenty-seven million, two hundred thirteen thousand, six hundred thirty".