42932291 has 8 divisors (see below), whose sum is σ = 43960320. Its totient is φ = 41909128.

The previous prime is 42932273. The next prime is 42932333. The reversal of 42932291 is 19223924.

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

It is a cyclic number.

It is not a de Polignac number, because 42932291 - 2¹⁰ = 42931267 is a prime.

It is a super-2 number, since 2×42932291² = 3686363221017362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42932221) by changing a digit.

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, 21560 + ... + 23466.

It is an arithmetic number, because the mean of its divisors is an integer number (5495040).

Almost surely, 2^42932291 is an apocalyptic number.

42932291 is a deficient number, since it is larger than the sum of its proper divisors (1028029).

42932291 is a wasteful number, since it uses less digits than its factorization.

42932291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its digits is 7776, while the sum is 32.

The square root of 42932291 is about 6552.2737274934. The cubic root of 42932291 is about 350.1558244922.

The spelling of 42932291 in words is "forty-two million, nine hundred thirty-two thousand, two hundred ninety-one".