42425079 has 8 divisors (see below), whose sum is σ = 56667120. Its totient is φ = 28233216.

The previous prime is 42425039. The next prime is 42425083. The reversal of 42425079 is 97052424.

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

It is not a de Polignac number, because 42425079 - 2²⁵ = 8870647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425039) 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, 10524 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (7083390).

Almost surely, 2^42425079 is an apocalyptic number.

42425079 is a deficient number, since it is larger than the sum of its proper divisors (14242041).

42425079 is a wasteful number, since it uses less digits than its factorization.

42425079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25089.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 42425079 is about 6513.4536921667. The cubic root of 42425079 is about 348.7714176027.

The spelling of 42425079 in words is "forty-two million, four hundred twenty-five thousand, seventy-nine".