27402404 has 6 divisors (see below), whose sum is σ = 47954214. Its totient is φ = 13701200.

The previous prime is 27402383. The next prime is 27402413. The reversal of 27402404 is 40420472.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 362404 = 5200^2 + 602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27402404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425297 + ... + 3425304.

It is an arithmetic number, because the mean of its divisors is an integer number (7992369).

Almost surely, 2^27402404 is an apocalyptic number.

It is an amenable number.

27402404 is a deficient number, since it is larger than the sum of its proper divisors (20551810).

27402404 is a wasteful number, since it uses less digits than its factorization.

27402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850605 (or 6850603 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 27402404 is about 5234.7305565807. The cubic root of 27402404 is about 301.4830417285.

Adding to 27402404 its reverse (40420472), we get a palindrome (67822876).

The spelling of 27402404 in words is "twenty-seven million, four hundred two thousand, four hundred four".