42064068 has 48 divisors (see below), whose sum is σ = 100336320. Its totient is φ = 13713024.

The previous prime is 42064063. The next prime is 42064111. The reversal of 42064068 is 86046024.

It is not an unprimeable number, because it can be changed into a prime (42064063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156238 + ... + 156506.

It is an arithmetic number, because the mean of its divisors is an integer number (2090340).

Almost surely, 2^42064068 is an apocalyptic number.

It is an amenable number.

42064068 is an abundant number, since it is smaller than the sum of its proper divisors (58272252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42064068 is a wasteful number, since it uses less digits than its factorization.

42064068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42064068 is about 6485.6817683263. The cubic root of 42064068 is about 347.7793223714.

The spelling of 42064068 in words is "forty-two million, sixty-four thousand, sixty-eight".