42368291 has 12 divisors (see below), whose sum is σ = 50336928. Its totient is φ = 35541072.

The previous prime is 42368279. The next prime is 42368297. The reversal of 42368291 is 19286324.

42368291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42368291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42368297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6896 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (4194744).

Almost surely, 2^42368291 is an apocalyptic number.

42368291 is a deficient number, since it is larger than the sum of its proper divisors (7968637).

42368291 is a wasteful number, since it uses less digits than its factorization.

42368291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18458 (or 18451 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 42368291 is about 6509.0929475619. The cubic root of 42368291 is about 348.6157323696.

The spelling of 42368291 in words is "forty-two million, three hundred sixty-eight thousand, two hundred ninety-one".