27161672 has 8 divisors (see below), whose sum is σ = 50928150. Its totient is φ = 13580832.

The previous prime is 27161669. The next prime is 27161677. The reversal of 27161672 is 27616172.

It can be written as a sum of positive squares in only one way, i.e., 19061956 + 8099716 = 4366^2 + 2846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (27161677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1697597 + ... + 1697612.

Almost surely, 2^27161672 is an apocalyptic number.

It is an amenable number.

27161672 is a deficient number, since it is larger than the sum of its proper divisors (23766478).

27161672 is a wasteful number, since it uses less digits than its factorization.

27161672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395215 (or 3395211 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 27161672 is about 5211.6860995267. The cubic root of 27161672 is about 300.5975939995.

The spelling of 27161672 in words is "twenty-seven million, one hundred sixty-one thousand, six hundred seventy-two".