42572065 has 16 divisors (see below), whose sum is σ = 54184320. Its totient is φ = 32019840.

The previous prime is 42572053. The next prime is 42572071. The reversal of 42572065 is 56027524.

It is a de Polignac number, because none of the positive numbers 2^k-42572065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11380 + ... + 14650.

It is an arithmetic number, because the mean of its divisors is an integer number (3386520).

Almost surely, 2^42572065 is an apocalyptic number.

It is an amenable number.

42572065 is a deficient number, since it is larger than the sum of its proper divisors (11612255).

42572065 is a wasteful number, since it uses less digits than its factorization.

42572065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 42572065 is about 6524.7271973624. The cubic root of 42572065 is about 349.1737380130.

Adding to 42572065 its reverse (56027524), we get a palindrome (98599589).

The spelling of 42572065 in words is "forty-two million, five hundred seventy-two thousand, sixty-five".