27710428 has 12 divisors (see below), whose sum is σ = 50165640. Its totient is φ = 13377392.

The previous prime is 27710413. The next prime is 27710429. The reversal of 27710428 is 82401772.

It is a self number, because there is not a number n which added to its sum of digits gives 27710428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27710429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119326 + ... + 119557.

It is an arithmetic number, because the mean of its divisors is an integer number (4180470).

Almost surely, 2^27710428 is an apocalyptic number.

It is an amenable number.

27710428 is a deficient number, since it is larger than the sum of its proper divisors (22455212).

27710428 is a wasteful number, since it uses less digits than its factorization.

27710428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238916 (or 238914 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 27710428 is about 5264.0695284162. The cubic root of 27710428 is about 302.6084687169.

The spelling of 27710428 in words is "twenty-seven million, seven hundred ten thousand, four hundred twenty-eight".