42056574 has 16 divisors (see below), whose sum is σ = 96129408. Its totient is φ = 12016152.

The previous prime is 42056561. The next prime is 42056603. The reversal of 42056574 is 47565024.

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 7 ways as a sum of consecutive naturals, for example, 500632 + ... + 500715.

It is an arithmetic number, because the mean of its divisors is an integer number (6008088).

Almost surely, 2^42056574 is an apocalyptic number.

42056574 is an abundant number, since it is smaller than the sum of its proper divisors (54072834).

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

42056574 is a wasteful number, since it uses less digits than its factorization.

42056574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001359.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 42056574 is about 6485.1040084181. The cubic root of 42056574 is about 347.7586680603.

The spelling of 42056574 in words is "forty-two million, fifty-six thousand, five hundred seventy-four".