42995915 has 16 divisors (see below), whose sum is σ = 54506496. Its totient is φ = 32508000.

The previous prime is 42995899. The next prime is 42995933. The reversal of 42995915 is 51959924.

It is not a de Polignac number, because 42995915 - 2⁴ = 42995899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3440 + ... + 9890.

It is an arithmetic number, because the mean of its divisors is an integer number (3406656).

Almost surely, 2^42995915 is an apocalyptic number.

42995915 is a deficient number, since it is larger than the sum of its proper divisors (11510581).

42995915 is a wasteful number, since it uses less digits than its factorization.

42995915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530.

The product of its digits is 145800, while the sum is 44.

The square root of 42995915 is about 6557.1270385741. The cubic root of 42995915 is about 350.3287115935.

The spelling of 42995915 in words is "forty-two million, nine hundred ninety-five thousand, nine hundred fifteen".