27140979 has 8 divisors (see below), whose sum is σ = 36218880. Its totient is φ = 18078536.

The previous prime is 27140977. The next prime is 27140983. The reversal of 27140979 is 97904172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27140979 - 2¹ = 27140977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27140977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174 + ... + 7460.

It is an arithmetic number, because the mean of its divisors is an integer number (4527360).

Almost surely, 2^27140979 is an apocalyptic number.

27140979 is a deficient number, since it is larger than the sum of its proper divisors (9077901).

27140979 is a wasteful number, since it uses less digits than its factorization.

27140979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 27140979 is about 5209.7004712363. The cubic root of 27140979 is about 300.5212382888.

The spelling of 27140979 in words is "twenty-seven million, one hundred forty thousand, nine hundred seventy-nine".