27122642 has 4 divisors (see below), whose sum is σ = 40683966. Its totient is φ = 13561320.

The previous prime is 27122629. The next prime is 27122659. The reversal of 27122642 is 24622172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15295921 + 11826721 = 3911^2 + 3439^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780659 + ... + 6780662.

Almost surely, 2^27122642 is an apocalyptic number.

27122642 is a deficient number, since it is larger than the sum of its proper divisors (13561324).

27122642 is a wasteful number, since it uses less digits than its factorization.

27122642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13561323.

The product of its digits is 2688, while the sum is 26.

The square root of 27122642 is about 5207.9402838358. The cubic root of 27122642 is about 300.4535436114.

The spelling of 27122642 in words is "twenty-seven million, one hundred twenty-two thousand, six hundred forty-two".