42043474 has 32 divisors (see below), whose sum is σ = 71352576. Its totient is φ = 18414720.

The previous prime is 42043453. The next prime is 42043481. The reversal of 42043474 is 47434024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75204 + ... + 75760.

It is an arithmetic number, because the mean of its divisors is an integer number (2229768).

Almost surely, 2^42043474 is an apocalyptic number.

42043474 is a deficient number, since it is larger than the sum of its proper divisors (29309102).

42043474 is a wasteful number, since it uses less digits than its factorization.

42043474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 42043474 is about 6484.0939228238. The cubic root of 42043474 is about 347.7225570857.

Adding to 42043474 its reverse (47434024), we get a palindrome (89477498).

The spelling of 42043474 in words is "forty-two million, forty-three thousand, four hundred seventy-four".