42399574 has 8 divisors (see below), whose sum is σ = 72685008. Its totient is φ = 18171240.

The previous prime is 42399541. The next prime is 42399601. The reversal of 42399574 is 47599324.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42399574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514257 + ... + 1514284.

It is an arithmetic number, because the mean of its divisors is an integer number (9085626).

Almost surely, 2^42399574 is an apocalyptic number.

42399574 is a deficient number, since it is larger than the sum of its proper divisors (30285434).

42399574 is a wasteful number, since it uses less digits than its factorization.

42399574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028550.

The product of its digits is 272160, while the sum is 43.

The square root of 42399574 is about 6511.4955271427. The cubic root of 42399574 is about 348.7015124241.

The spelling of 42399574 in words is "forty-two million, three hundred ninety-nine thousand, five hundred seventy-four".