42858725 has 24 divisors (see below), whose sum is σ = 65412480. Its totient is φ = 27126720.

The previous prime is 42858707. The next prime is 42858733. The reversal of 42858725 is 52785824.

It is not a de Polignac number, because 42858725 - 2¹² = 42854629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7145 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (2725520).

Almost surely, 2^42858725 is an apocalyptic number.

It is an amenable number.

42858725 is a deficient number, since it is larger than the sum of its proper divisors (22553755).

42858725 is a wasteful number, since it uses less digits than its factorization.

42858725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18869 (or 18864 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 42858725 is about 6546.6575441213. The cubic root of 42858725 is about 349.9557086810.

The spelling of 42858725 in words is "forty-two million, eight hundred fifty-eight thousand, seven hundred twenty-five".