42092915 has 8 divisors (see below), whose sum is σ = 51686448. Its totient is φ = 32891040.

The previous prime is 42092909. The next prime is 42092929. The reversal of 42092915 is 51929024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42092915 - 2²² = 37898611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97676 + ... + 98105.

It is an arithmetic number, because the mean of its divisors is an integer number (6460806).

Almost surely, 2^42092915 is an apocalyptic number.

42092915 is a deficient number, since it is larger than the sum of its proper divisors (9593533).

42092915 is a wasteful number, since it uses less digits than its factorization.

42092915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195829.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 42092915 is about 6487.9052859918. The cubic root of 42092915 is about 347.8588050756.

The spelling of 42092915 in words is "forty-two million, ninety-two thousand, nine hundred fifteen".