42068565 has 160 divisors (see below), whose sum is σ = 100362240. Its totient is φ = 16329600.

The previous prime is 42068561. The next prime is 42068567. The reversal of 42068565 is 56586024.

It is not a de Polignac number, because 42068565 - 2² = 42068561 is a prime.

It is a super-2 number, since 2×42068565² = 3539528322318450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068561) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 592480 + ... + 592550.

It is an arithmetic number, because the mean of its divisors is an integer number (627264).

Almost surely, 2^42068565 is an apocalyptic number.

42068565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42068565 is an abundant number, since it is smaller than the sum of its proper divisors (58293675).

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

42068565 is a wasteful number, since it uses less digits than its factorization.

42068565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 42068565 is about 6486.0284458211. The cubic root of 42068565 is about 347.7917154340.

The spelling of 42068565 in words is "forty-two million, sixty-eight thousand, five hundred sixty-five".