42457179 has 8 divisors (see below), whose sum is σ = 56795200. Its totient is φ = 28211976.

The previous prime is 42457169. The next prime is 42457201. The reversal of 42457179 is 97175424.

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

It is not a de Polignac number, because 42457179 - 2¹⁵ = 42424411 is a prime.

It is a super-2 number, since 2×42457179² = 3605224097276082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42457169) 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, 22129 + ... + 23970.

It is an arithmetic number, because the mean of its divisors is an integer number (7099400).

Almost surely, 2^42457179 is an apocalyptic number.

42457179 is a deficient number, since it is larger than the sum of its proper divisors (14338021).

42457179 is a wasteful number, since it uses less digits than its factorization.

42457179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46409.

The product of its digits is 70560, while the sum is 39.

The square root of 42457179 is about 6515.9173567503. The cubic root of 42457179 is about 348.8593588262.

The spelling of 42457179 in words is "forty-two million, four hundred fifty-seven thousand, one hundred seventy-nine".