42993359 has 4 divisors (see below), whose sum is σ = 43722120. Its totient is φ = 42264600.

The previous prime is 42993317. The next prime is 42993361. The reversal of 42993359 is 95339924.

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 42993359 - 2⁸ = 42993103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42993059) 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 3 ways as a sum of consecutive naturals, for example, 364292 + ... + 364409.

It is an arithmetic number, because the mean of its divisors is an integer number (10930530).

Almost surely, 2^42993359 is an apocalyptic number.

42993359 is a deficient number, since it is larger than the sum of its proper divisors (728761).

42993359 is an equidigital number, since it uses as much as digits as its factorization.

42993359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728760.

The product of its digits is 262440, while the sum is 44.

The square root of 42993359 is about 6556.9321332465. The cubic root of 42993359 is about 350.3217693996.

The spelling of 42993359 in words is "forty-two million, nine hundred ninety-three thousand, three hundred fifty-nine".