42874774 has 16 divisors (see below), whose sum is σ = 66514608. Its totient is φ = 20715552.

The previous prime is 42874759. The next prime is 42874781. The reversal of 42874774 is 47747824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42874774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4084 + ... + 10120.

It is an arithmetic number, because the mean of its divisors is an integer number (4157163).

Almost surely, 2^42874774 is an apocalyptic number.

42874774 is a deficient number, since it is larger than the sum of its proper divisors (23639834).

42874774 is a wasteful number, since it uses less digits than its factorization.

42874774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159.

The product of its digits is 351232, while the sum is 43.

The square root of 42874774 is about 6547.8831693915. The cubic root of 42874774 is about 349.9993850329. Note that the first 3 decimals are identical.

The spelling of 42874774 in words is "forty-two million, eight hundred seventy-four thousand, seven hundred seventy-four".