42257179 has 8 divisors (see below), whose sum is σ = 43061760. Its totient is φ = 41459496.

The previous prime is 42257161. The next prime is 42257203. The reversal of 42257179 is 97175224.

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 42257179 - 2⁹ = 42256667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42257119) 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, 11592 + ... + 14794.

It is an arithmetic number, because the mean of its divisors is an integer number (5382720).

Almost surely, 2^42257179 is an apocalyptic number.

42257179 is a deficient number, since it is larger than the sum of its proper divisors (804581).

42257179 is a wasteful number, since it uses less digits than its factorization.

42257179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449.

The product of its digits is 35280, while the sum is 37.

The square root of 42257179 is about 6500.5522073129. The cubic root of 42257179 is about 348.3107141488.

It can be divided in two parts, 42257 and 179, that added together give a square (42436 = 206²).

The spelling of 42257179 in words is "forty-two million, two hundred fifty-seven thousand, one hundred seventy-nine".