42891175 has 12 divisors (see below), whose sum is σ = 53270896. Its totient is φ = 34257600.

The previous prime is 42891143. The next prime is 42891181. The reversal of 42891175 is 57119824.

It is not a de Polignac number, because 42891175 - 2⁵ = 42891143 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 22510 + ... + 24340.

Almost surely, 2^42891175 is an apocalyptic number.

42891175 is a deficient number, since it is larger than the sum of its proper divisors (10379721).

42891175 is a wasteful number, since it uses less digits than its factorization.

42891175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778 (or 2773 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 42891175 is about 6549.1354391248. The cubic root of 42891175 is about 350.0440080718.

The spelling of 42891175 in words is "forty-two million, eight hundred ninety-one thousand, one hundred seventy-five".