27625980 has 48 divisors (see below), whose sum is σ = 80025120. Its totient is φ = 7112448.

The previous prime is 27625979. The next prime is 27625987. The reversal of 27625980 is 8952672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27625987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6199 + ... + 9678.

It is an arithmetic number, because the mean of its divisors is an integer number (1667190).

Almost surely, 2^27625980 is an apocalyptic number.

27625980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27625980 is an abundant number, since it is smaller than the sum of its proper divisors (52399140).

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

27625980 is a wasteful number, since it uses less digits than its factorization.

27625980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918 (or 15916 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 27625980 is about 5256.0422372732. The cubic root of 27625980 is about 302.3007544339.

The spelling of 27625980 in words is "twenty-seven million, six hundred twenty-five thousand, nine hundred eighty".