42574656 has 112 divisors (see below), whose sum is σ = 121724928. Its totient is φ = 13094400.

The previous prime is 42574627. The next prime is 42574667. The reversal of 42574656 is 65647524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136741 + ... + 137051.

Almost surely, 2^42574656 is an apocalyptic number.

42574656 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42574656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60862464).

42574656 is an abundant number, since it is smaller than the sum of its proper divisors (79150272).

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

42574656 is a wasteful number, since it uses less digits than its factorization.

42574656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 370 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 42574656 is about 6524.9257467039. The cubic root of 42574656 is about 349.1808216159.

The spelling of 42574656 in words is "forty-two million, five hundred seventy-four thousand, six hundred fifty-six".