27428270 has 16 divisors (see below), whose sum is σ = 49563360. Its totient is φ = 10928544.

The previous prime is 27428251. The next prime is 27428299. The reversal of 27428270 is 7282472.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (3097710).

Almost surely, 2^27428270 is an apocalyptic number.

27428270 is a deficient number, since it is larger than the sum of its proper divisors (22135090).

27428270 is a wasteful number, since it uses less digits than its factorization.

27428270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 27428270 is about 5237.2005881005. The cubic root of 27428270 is about 301.5778717052.

The spelling of 27428270 in words is "twenty-seven million, four hundred twenty-eight thousand, two hundred seventy".