42570867 has 6 divisors (see below), whose sum is σ = 56776228. Its totient is φ = 28373044.

The previous prime is 42570799. The next prime is 42570883. The reversal of 42570867 is 76807524.

It is not a de Polignac number, because 42570867 - 2¹⁴ = 42554483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42570667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9418 + ... + 13184.

Almost surely, 2^42570867 is an apocalyptic number.

42570867 is a deficient number, since it is larger than the sum of its proper divisors (14205361).

42570867 is an frugal number, since it uses more digits than its factorization.

42570867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 42570867 is about 6524.6353921120. The cubic root of 42570867 is about 349.1704626722.

The spelling of 42570867 in words is "forty-two million, five hundred seventy thousand, eight hundred sixty-seven".