42302725 has 12 divisors (see below), whose sum is σ = 52576000. Its totient is φ = 33764400.

The previous prime is 42302713. The next prime is 42302731. The reversal of 42302725 is 52720324.

It is not a de Polignac number, because 42302725 - 2⁷ = 42302597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 42302725.

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, 10780 + ... + 14170.

Almost surely, 2^42302725 is an apocalyptic number.

It is an amenable number.

42302725 is a deficient number, since it is larger than the sum of its proper divisors (10273275).

42302725 is a wasteful number, since it uses less digits than its factorization.

42302725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42302725 is about 6504.0545046917. The cubic root of 42302725 is about 348.4358089765.

The spelling of 42302725 in words is "forty-two million, three hundred two thousand, seven hundred twenty-five".