27213450 has 48 divisors (see below), whose sum is σ = 73629216. Its totient is φ = 6596800.

The previous prime is 27213437. The next prime is 27213469. The reversal of 27213450 is 5431272.

It is a self number, because there is not a number n which added to its sum of digits gives 27213450.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6597 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (1533942).

Almost surely, 2^27213450 is an apocalyptic number.

27213450 is an abundant number, since it is smaller than the sum of its proper divisors (46415766).

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

27213450 is a wasteful number, since it uses less digits than its factorization.

27213450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16519 (or 16514 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 27213450 is about 5216.6512246843. The cubic root of 27213450 is about 300.7884813970.

The spelling of 27213450 in words is "twenty-seven million, two hundred thirteen thousand, four hundred fifty".