42563574 has 12 divisors (see below), whose sum is σ = 92221116. Its totient is φ = 14187852.

The previous prime is 42563567. The next prime is 42563581. The reversal of 42563574 is 47536524.

42563574 is a `hidden beast` number, since 4 + 25 + 63 + 574 = 666.

It is an interprime number because it is at equal distance from previous prime (42563567) and next prime (42563581).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

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, 1182304 + ... + 1182339.

It is an arithmetic number, because the mean of its divisors is an integer number (7685093).

Almost surely, 2^42563574 is an apocalyptic number.

42563574 is an abundant number, since it is smaller than the sum of its proper divisors (49657542).

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

42563574 is a wasteful number, since it uses less digits than its factorization.

42563574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364651 (or 2364648 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 42563574 is about 6524.0764863695. The cubic root of 42563574 is about 349.1505222310.

The spelling of 42563574 in words is "forty-two million, five hundred sixty-three thousand, five hundred seventy-four".