42564692 has 18 divisors (see below), whose sum is σ = 77151438. Its totient is φ = 20546848.

The previous prime is 42564659. The next prime is 42564701. The reversal of 42564692 is 29646524.

It can be written as a sum of positive squares in 3 ways, for example, as 132496 + 42432196 = 364^2 + 6514^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2963 + ... + 9690.

It is an arithmetic number, because the mean of its divisors is an integer number (4286191).

Almost surely, 2^42564692 is an apocalyptic number.

It is an amenable number.

42564692 is a deficient number, since it is larger than the sum of its proper divisors (34586746).

42564692 is a wasteful number, since it uses less digits than its factorization.

42564692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715 (or 12684 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 42564692 is about 6524.1621684321. The cubic root of 42564692 is about 349.1535792022.

The spelling of 42564692 in words is "forty-two million, five hundred sixty-four thousand, six hundred ninety-two".