42785975 has 12 divisors (see below), whose sum is σ = 53154336. Its totient is φ = 34164480.

The previous prime is 42785959. The next prime is 42785993. The reversal of 42785975 is 57958724.

It is a happy number.

It is not a de Polignac number, because 42785975 - 2⁴ = 42785959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15554 + ... + 18096.

It is an arithmetic number, because the mean of its divisors is an integer number (4429528).

Almost surely, 2^42785975 is an apocalyptic number.

42785975 is a deficient number, since it is larger than the sum of its proper divisors (10368361).

42785975 is a wasteful number, since it uses less digits than its factorization.

42785975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226 (or 3221 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 42785975 is about 6541.0989137912. The cubic root of 42785975 is about 349.7575872438.

The spelling of 42785975 in words is "forty-two million, seven hundred eighty-five thousand, nine hundred seventy-five".