27920902 has 16 divisors (see below), whose sum is σ = 44848080. Its totient is φ = 12990208.

The previous prime is 27920887. The next prime is 27920909. The reversal of 27920902 is 20902972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27920909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588 + ... + 7639.

It is an arithmetic number, because the mean of its divisors is an integer number (2803005).

Almost surely, 2^27920902 is an apocalyptic number.

27920902 is a deficient number, since it is larger than the sum of its proper divisors (16927178).

27920902 is a wasteful number, since it uses less digits than its factorization.

27920902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 27920902 is about 5284.0232777686. The cubic root of 27920902 is about 303.3726892810.

The spelling of 27920902 in words is "twenty-seven million, nine hundred twenty thousand, nine hundred two".