42785432 has 16 divisors (see below), whose sum is σ = 80306640. Its totient is φ = 21370336.

The previous prime is 42785429. The next prime is 42785437. The reversal of 42785432 is 23458724.

It is a junction number, because it is equal to n+sod(n) for n = 42785392 and 42785401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42785437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7598 + ... + 11970.

It is an arithmetic number, because the mean of its divisors is an integer number (5019165).

Almost surely, 2^42785432 is an apocalyptic number.

It is an amenable number.

42785432 is a deficient number, since it is larger than the sum of its proper divisors (37521208).

42785432 is a wasteful number, since it uses less digits than its factorization.

42785432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602 (or 5598 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 42785432 is about 6541.0574068724. The cubic root of 42785432 is about 349.7561076377.

The spelling of 42785432 in words is "forty-two million, seven hundred eighty-five thousand, four hundred thirty-two".