42257474 has 16 divisors (see below), whose sum is σ = 72633408. Its totient is φ = 18062352.

The previous prime is 42257431. The next prime is 42257489. The reversal of 42257474 is 47475224.

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, 1757 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (4539588).

Almost surely, 2^42257474 is an apocalyptic number.

42257474 is a deficient number, since it is larger than the sum of its proper divisors (30375934).

42257474 is a wasteful number, since it uses less digits than its factorization.

42257474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8009.

The product of its digits is 62720, while the sum is 35.

The square root of 42257474 is about 6500.5748976533. The cubic root of 42257474 is about 348.3115246731.

The spelling of 42257474 in words is "forty-two million, two hundred fifty-seven thousand, four hundred seventy-four".