27169972 has 12 divisors (see below), whose sum is σ = 48353760. Its totient is φ = 13354616.

The previous prime is 27169963. The next prime is 27169993. The reversal of 27169972 is 27996172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57328 + ... + 57799.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 2^27169972 is an apocalyptic number.

It is an amenable number.

27169972 is a deficient number, since it is larger than the sum of its proper divisors (21183788).

27169972 is a wasteful number, since it uses less digits than its factorization.

27169972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115190 (or 115188 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 27169972 is about 5212.4823261091. The cubic root of 27169972 is about 300.6282095170.

The spelling of 27169972 in words is "twenty-seven million, one hundred sixty-nine thousand, nine hundred seventy-two".