42932215 has 4 divisors (see below), whose sum is σ = 51518664. Its totient is φ = 34345768.

The previous prime is 42932177. The next prime is 42932221. The reversal of 42932215 is 51223924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42932215 - 2⁹ = 42931703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293217 + ... + 4293226.

It is an arithmetic number, because the mean of its divisors is an integer number (12879666).

Almost surely, 2^42932215 is an apocalyptic number.

42932215 is a deficient number, since it is larger than the sum of its proper divisors (8586449).

42932215 is an equidigital number, since it uses as much as digits as its factorization.

42932215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586448.

The product of its digits is 4320, while the sum is 28.

The square root of 42932215 is about 6552.2679279773. The cubic root of 42932215 is about 350.1556178734.

The spelling of 42932215 in words is "forty-two million, nine hundred thirty-two thousand, two hundred fifteen".