27925980 has 24 divisors (see below), whose sum is σ = 78192912. Its totient is φ = 7446912.

The previous prime is 27925973. The next prime is 27925981. The reversal of 27925980 is 8952972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27925981) 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, 232657 + ... + 232776.

It is an arithmetic number, because the mean of its divisors is an integer number (3258038).

Almost surely, 2^27925980 is an apocalyptic number.

27925980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27925980 is an abundant number, since it is smaller than the sum of its proper divisors (50266932).

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

27925980 is a wasteful number, since it uses less digits than its factorization.

27925980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465445 (or 465443 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 27925980 is about 5284.5037609978. The cubic root of 27925980 is about 303.3910797223.

The spelling of 27925980 in words is "twenty-seven million, nine hundred twenty-five thousand, nine hundred eighty".