42535966 has 16 divisors (see below), whose sum is σ = 69890688. Its totient is φ = 19255000.

The previous prime is 42535963. The next prime is 42535973. The reversal of 42535966 is 66953524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535963) 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, 1671 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (4368168).

Almost surely, 2^42535966 is an apocalyptic number.

42535966 is a deficient number, since it is larger than the sum of its proper divisors (27354722).

42535966 is a wasteful number, since it uses less digits than its factorization.

42535966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967.

The product of its digits is 194400, while the sum is 40.

The square root of 42535966 is about 6521.9602881342. The cubic root of 42535966 is about 349.0750160991.

The spelling of 42535966 in words is "forty-two million, five hundred thirty-five thousand, nine hundred sixty-six".