42315379 has 8 divisors (see below), whose sum is σ = 43922160. Its totient is φ = 40718496.

The previous prime is 42315349. The next prime is 42315389. The reversal of 42315379 is 97351324.

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 42315379 - 2⁵ = 42315347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42315319) 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, 6892 + ... + 11494.

It is an arithmetic number, because the mean of its divisors is an integer number (5490270).

Almost surely, 2^42315379 is an apocalyptic number.

42315379 is a deficient number, since it is larger than the sum of its proper divisors (1606781).

42315379 is a wasteful number, since it uses less digits than its factorization.

42315379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949.

The product of its digits is 22680, while the sum is 34.

The square root of 42315379 is about 6505.0272097817. The cubic root of 42315379 is about 348.4705480086.

The spelling of 42315379 in words is "forty-two million, three hundred fifteen thousand, three hundred seventy-nine".