42794885 has 12 divisors (see below), whose sum is σ = 59738508. Its totient is φ = 29344896.

The previous prime is 42794861. The next prime is 42794893. The reversal of 42794885 is 58849724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31832164 + 10962721 = 5642^2 + 3311^2 .

It is not a de Polignac number, because 42794885 - 2⁸ = 42794629 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its 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, 87092 + ... + 87581.

It is an arithmetic number, because the mean of its divisors is an integer number (4978209).

Almost surely, 2^42794885 is an apocalyptic number.

It is an amenable number.

42794885 is a deficient number, since it is larger than the sum of its proper divisors (16943623).

42794885 is a wasteful number, since it uses less digits than its factorization.

42794885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174692 (or 174685 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 42794885 is about 6541.7799565562. The cubic root of 42794885 is about 349.7818640760.

The spelling of 42794885 in words is "forty-two million, seven hundred ninety-four thousand, eight hundred eighty-five".