42936574 has 4 divisors (see below), whose sum is σ = 64404864. Its totient is φ = 21468286.

The previous prime is 42936563. The next prime is 42936587. The reversal of 42936574 is 47563924.

It is a happy number.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10734142 + ... + 10734145.

It is an arithmetic number, because the mean of its divisors is an integer number (16101216).

Almost surely, 2^42936574 is an apocalyptic number.

42936574 is a deficient number, since it is larger than the sum of its proper divisors (21468290).

42936574 is a wasteful number, since it uses less digits than its factorization.

42936574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21468289.

The product of its digits is 181440, while the sum is 40.

The square root of 42936574 is about 6552.6005524524. The cubic root of 42936574 is about 350.1674681563.

The spelling of 42936574 in words is "forty-two million, nine hundred thirty-six thousand, five hundred seventy-four".