27672723 has 12 divisors (see below), whose sum is σ = 43046640. Its totient is φ = 17029296.

The previous prime is 27672679. The next prime is 27672761. The reversal of 27672723 is 32727672.

It is not a de Polignac number, because 27672723 - 2²² = 23478419 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27672763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118143 + ... + 118376.

It is an arithmetic number, because the mean of its divisors is an integer number (3587220).

Almost surely, 2^27672723 is an apocalyptic number.

27672723 is a deficient number, since it is larger than the sum of its proper divisors (15373917).

27672723 is a wasteful number, since it uses less digits than its factorization.

27672723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236538 (or 236535 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 27672723 is about 5260.4869546459. The cubic root of 27672723 is about 302.4711554128.

The spelling of 27672723 in words is "twenty-seven million, six hundred seventy-two thousand, seven hundred twenty-three".