27920058 has 8 divisors (see below), whose sum is σ = 55840128. Its totient is φ = 9306684.

The previous prime is 27920017. The next prime is 27920059. The reversal of 27920058 is 85002972.

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

27920058 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27920059) 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, 2326666 + ... + 2326677.

It is an arithmetic number, because the mean of its divisors is an integer number (6980016).

Almost surely, 2^27920058 is an apocalyptic number.

27920058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27920058 is a wasteful number, since it uses less digits than its factorization.

27920058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653348.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 27920058 is about 5283.9434137773. The cubic root of 27920058 is about 303.3696324417.

The spelling of 27920058 in words is "twenty-seven million, nine hundred twenty thousand, fifty-eight".