42064057 has 8 divisors (see below), whose sum is σ = 48151232. Its totient is φ = 35996400.

The previous prime is 42064039. The next prime is 42064063. The reversal of 42064057 is 75046024.

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 42064057 - 2¹⁵ = 42031289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42064037) 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, 82 + ... + 9172.

It is an arithmetic number, because the mean of its divisors is an integer number (6018904).

Almost surely, 2^42064057 is an apocalyptic number.

It is an amenable number.

42064057 is a deficient number, since it is larger than the sum of its proper divisors (6087175).

42064057 is an equidigital number, since it uses as much as digits as its factorization.

42064057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42064057 is about 6485.6809203044. The cubic root of 42064057 is about 347.7792920559.

The spelling of 42064057 in words is "forty-two million, sixty-four thousand, fifty-seven".