42609715 has 8 divisors (see below), whose sum is σ = 51522768. Its totient is φ = 33827040.

The previous prime is 42609709. The next prime is 42609737. The reversal of 42609715 is 51790624.

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

It is not a de Polignac number, because 42609715 - 2⁷ = 42609587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31872 + ... + 33181.

It is an arithmetic number, because the mean of its divisors is an integer number (6440346).

Almost surely, 2^42609715 is an apocalyptic number.

42609715 is a deficient number, since it is larger than the sum of its proper divisors (8913053).

42609715 is a wasteful number, since it uses less digits than its factorization.

42609715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65189.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 42609715 is about 6527.6117378410. The cubic root of 42609715 is about 349.2766420939.

The spelling of 42609715 in words is "forty-two million, six hundred nine thousand, seven hundred fifteen".