27402472 has 16 divisors (see below), whose sum is σ = 51460740. Its totient is φ = 13679616.

The previous prime is 27402467. The next prime is 27402509. The reversal of 27402472 is 27420472.

It can be written as a sum of positive squares in 2 ways, for example, as 18438436 + 8964036 = 4294^2 + 2994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27402472.

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, 3528 + ... + 8200.

Almost surely, 2^27402472 is an apocalyptic number.

It is an amenable number.

27402472 is a deficient number, since it is larger than the sum of its proper divisors (24058268).

27402472 is a wasteful number, since it uses less digits than its factorization.

27402472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 27402472 is about 5234.7370516579. The cubic root of 27402472 is about 301.4832911084.

The spelling of 27402472 in words is "twenty-seven million, four hundred two thousand, four hundred seventy-two".