27346979 has 4 divisors (see below), whose sum is σ = 29833080. Its totient is φ = 24860880.

The previous prime is 27346939. The next prime is 27347027. The reversal of 27346979 is 97964372.

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

It is a de Polignac number, because none of the positive numbers 2^k-27346979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27346939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243034 + ... + 1243055.

It is an arithmetic number, because the mean of its divisors is an integer number (7458270).

Almost surely, 2^27346979 is an apocalyptic number.

27346979 is a deficient number, since it is larger than the sum of its proper divisors (2486101).

27346979 is a wasteful number, since it uses less digits than its factorization.

27346979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486100.

The product of its digits is 571536, while the sum is 47.

The square root of 27346979 is about 5229.4339081778. The cubic root of 27346979 is about 301.2796413732.

The spelling of 27346979 in words is "twenty-seven million, three hundred forty-six thousand, nine hundred seventy-nine".