42057674 has 4 divisors (see below), whose sum is σ = 63086514. Its totient is φ = 21028836.

The previous prime is 42057671. The next prime is 42057679. The reversal of 42057674 is 47675024.

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., 30327049 + 11730625 = 5507^2 + 3425^2 .

It is not an unprimeable number, because it can be changed into a prime (42057671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10514417 + ... + 10514420.

Almost surely, 2^42057674 is an apocalyptic number.

42057674 is a deficient number, since it is larger than the sum of its proper divisors (21028840).

42057674 is a wasteful number, since it uses less digits than its factorization.

42057674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21028839.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 42057674 is about 6485.1888176059. The cubic root of 42057674 is about 347.7616999383.

The spelling of 42057674 in words is "forty-two million, fifty-seven thousand, six hundred seventy-four".