27179972 has 6 divisors (see below), whose sum is σ = 47564958. Its totient is φ = 13589984.

The previous prime is 27179947. The next prime is 27179983. The reversal of 27179972 is 27997172.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 2119936 = 5006^2 + 1456^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3397493 + ... + 3397500.

It is an arithmetic number, because the mean of its divisors is an integer number (7927493).

Almost surely, 2^27179972 is an apocalyptic number.

It is an amenable number.

27179972 is a deficient number, since it is larger than the sum of its proper divisors (20384986).

27179972 is a wasteful number, since it uses less digits than its factorization.

27179972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794997 (or 6794995 counting only the distinct ones).

The product of its digits is 111132, while the sum is 44.

The square root of 27179972 is about 5213.4414737292. The cubic root of 27179972 is about 300.6650874025.

The spelling of 27179972 in words is "twenty-seven million, one hundred seventy-nine thousand, nine hundred seventy-two".