27428402 has 8 divisors (see below), whose sum is σ = 41184300. Its totient is φ = 13700304.

The previous prime is 27428383. The next prime is 27428411. The reversal of 27428402 is 20482472.

It can be written as a sum of positive squares in 2 ways, for example, as 26925721 + 502681 = 5189^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4277 + ... + 8552.

Almost surely, 2^27428402 is an apocalyptic number.

27428402 is a deficient number, since it is larger than the sum of its proper divisors (13755898).

27428402 is a wasteful number, since it uses less digits than its factorization.

27428402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 27428402 is about 5237.2131902377. The cubic root of 27428402 is about 301.5783554909.

The spelling of 27428402 in words is "twenty-seven million, four hundred twenty-eight thousand, four hundred two".