27179942 has 4 divisors (see below), whose sum is σ = 40769916. Its totient is φ = 13589970.

The previous prime is 27179939. The next prime is 27179947. The reversal of 27179942 is 24997172.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27179942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27179947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6794984 + ... + 6794987.

It is an arithmetic number, because the mean of its divisors is an integer number (10192479).

Almost surely, 2^27179942 is an apocalyptic number.

27179942 is a deficient number, since it is larger than the sum of its proper divisors (13589974).

27179942 is a wasteful number, since it uses less digits than its factorization.

27179942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589973.

The product of its digits is 63504, while the sum is 41.

The square root of 27179942 is about 5213.4385965503. The cubic root of 27179942 is about 300.6649767824.

The spelling of 27179942 in words is "twenty-seven million, one hundred seventy-nine thousand, nine hundred forty-two".