27825972 has 48 divisors (see below), whose sum is σ = 67651584. Its totient is φ = 8892000.

The previous prime is 27825953. The next prime is 27825977. The reversal of 27825972 is 27952872.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27825977) 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, 48447 + ... + 49017.

It is an arithmetic number, because the mean of its divisors is an integer number (1409408).

Almost surely, 2^27825972 is an apocalyptic number.

It is an amenable number.

27825972 is an abundant number, since it is smaller than the sum of its proper divisors (39825612).

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

27825972 is a wasteful number, since it uses less digits than its factorization.

27825972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 27825972 is about 5275.0328908927. The cubic root of 27825972 is about 303.0284803692.

The spelling of 27825972 in words is "twenty-seven million, eight hundred twenty-five thousand, nine hundred seventy-two".