42017674 has 4 divisors (see below), whose sum is σ = 63026514. Its totient is φ = 21008836.

The previous prime is 42017663. The next prime is 42017687. The reversal of 42017674 is 47671024.

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

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 16867449 = 5015^2 + 4107^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10504417 + ... + 10504420.

Almost surely, 2^42017674 is an apocalyptic number.

42017674 is a deficient number, since it is larger than the sum of its proper divisors (21008840).

42017674 is a wasteful number, since it uses less digits than its factorization.

42017674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21008839.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 42017674 is about 6482.1041336899. The cubic root of 42017674 is about 347.6514158215.

Adding to 42017674 its reverse (47671024), we get a palindrome (89688698).

The spelling of 42017674 in words is "forty-two million, seventeen thousand, six hundred seventy-four".