27122992 has 20 divisors (see below), whose sum is σ = 56593600. Its totient is φ = 12518208.

The previous prime is 27122987. The next prime is 27122993. The reversal of 27122992 is 29922172.

It is a super-3 number, since 3×27122992³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27122993) 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, 64992 + ... + 65407.

It is an arithmetic number, because the mean of its divisors is an integer number (2829680).

Almost surely, 2^27122992 is an apocalyptic number.

It is an amenable number.

27122992 is an abundant number, since it is smaller than the sum of its proper divisors (29470608).

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

27122992 is a wasteful number, since it uses less digits than its factorization.

27122992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130420 (or 130414 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 27122992 is about 5207.9738862633. The cubic root of 27122992 is about 300.4548359915.

The spelling of 27122992 in words is "twenty-seven million, one hundred twenty-two thousand, nine hundred ninety-two".