27430672 has 10 divisors (see below), whose sum is σ = 53146958. Its totient is φ = 13715328.

The previous prime is 27430643. The next prime is 27430679. The reversal of 27430672 is 27603472.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22695696 + 4734976 = 4764^2 + 2176^2 .

It is not an unprimeable number, because it can be changed into a prime (27430679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857193 + ... + 857224.

Almost surely, 2^27430672 is an apocalyptic number.

It is an amenable number.

27430672 is a deficient number, since it is larger than the sum of its proper divisors (25716286).

27430672 is a wasteful number, since it uses less digits than its factorization.

27430672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714425 (or 1714419 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 27430672 is about 5237.4299040655. The cubic root of 27430672 is about 301.5866748962.

The spelling of 27430672 in words is "twenty-seven million, four hundred thirty thousand, six hundred seventy-two".