42904659 has 16 divisors (see below), whose sum is σ = 67633920. Its totient is φ = 23671200.

The previous prime is 42904649. The next prime is 42904681. The reversal of 42904659 is 95640924.

42904659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42904659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42904649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34617 + ... + 35834.

It is an arithmetic number, because the mean of its divisors is an integer number (4227120).

Almost surely, 2^42904659 is an apocalyptic number.

42904659 is a deficient number, since it is larger than the sum of its proper divisors (24729261).

42904659 is a wasteful number, since it uses less digits than its factorization.

42904659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70490.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 42904659 is about 6550.1648070869. The cubic root of 42904659 is about 350.0806861597.

The spelling of 42904659 in words is "forty-two million, nine hundred four thousand, six hundred fifty-nine".