42979168 has 24 divisors (see below), whose sum is σ = 85571640. Its totient is φ = 21246720.

The previous prime is 42979151. The next prime is 42979169. The reversal of 42979168 is 86197924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42979169) 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, 4698 + ... + 10393.

It is an arithmetic number, because the mean of its divisors is an integer number (3565485).

Almost surely, 2^42979168 is an apocalyptic number.

It is an amenable number.

42979168 is a deficient number, since it is larger than the sum of its proper divisors (42592472).

42979168 is a wasteful number, since it uses less digits than its factorization.

42979168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190 (or 15182 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 42979168 is about 6555.8499067627. The cubic root of 42979168 is about 350.2832210949.

It can be divided in two parts, 4297916 and 8, that added together give a palindrome (4297924).

The spelling of 42979168 in words is "forty-two million, nine hundred seventy-nine thousand, one hundred sixty-eight".