42574532 has 120 divisors (see below), whose sum is σ = 105407232. Its totient is φ = 14817600.

The previous prime is 42574517. The next prime is 42574537. The reversal of 42574532 is 23547524.

Its product of digits (33600) is a multiple of the sum of its prime divisors (64).

It is not an unprimeable number, because it can be changed into a prime (42574537) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1373357 + ... + 1373387.

Almost surely, 2^42574532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42574532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52703616).

42574532 is an abundant number, since it is smaller than the sum of its proper divisors (62832700).

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

42574532 is a wasteful number, since it uses less digits than its factorization.

42574532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 64 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 42574532 is about 6524.9162446732. The cubic root of 42574532 is about 349.1804826155.

The spelling of 42574532 in words is "forty-two million, five hundred seventy-four thousand, five hundred thirty-two".