42917564 has 12 divisors (see below), whose sum is σ = 77695800. Its totient is φ = 20718768.

The previous prime is 42917543. The next prime is 42917573. The reversal of 42917564 is 46571924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184874 + ... + 185105.

It is an arithmetic number, because the mean of its divisors is an integer number (6474650).

Almost surely, 2^42917564 is an apocalyptic number.

It is an amenable number.

42917564 is a deficient number, since it is larger than the sum of its proper divisors (34778236).

42917564 is a wasteful number, since it uses less digits than its factorization.

42917564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370012 (or 370010 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 42917564 is about 6551.1498227410. The cubic root of 42917564 is about 350.1157821025.

The spelling of 42917564 in words is "forty-two million, nine hundred seventeen thousand, five hundred sixty-four".