42564472 has 16 divisors (see below), whose sum is σ = 79923240. Its totient is φ = 21251616.

The previous prime is 42564463. The next prime is 42564479. The reversal of 42564472 is 27446524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42564479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2743 + ... + 9625.

Almost surely, 2^42564472 is an apocalyptic number.

It is an amenable number.

42564472 is a deficient number, since it is larger than the sum of its proper divisors (37358768).

42564472 is a wasteful number, since it uses less digits than its factorization.

42564472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7662 (or 7658 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 42564472 is about 6524.1453080078. The cubic root of 42564472 is about 349.1529776558.

The spelling of 42564472 in words is "forty-two million, five hundred sixty-four thousand, four hundred seventy-two".