42674689 has 8 divisors (see below), whose sum is σ = 44280000. Its totient is φ = 41078352.

The previous prime is 42674669. The next prime is 42674717. The reversal of 42674689 is 98647624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42674689 - 2⁵ = 42674657 is a prime.

It is a super-2 number, since 2×42674689² = 3642258162493442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42674609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8362 + ... + 12460.

It is an arithmetic number, because the mean of its divisors is an integer number (5535000).

Almost surely, 2^42674689 is an apocalyptic number.

It is an amenable number.

42674689 is a deficient number, since it is larger than the sum of its proper divisors (1605311).

42674689 is a wasteful number, since it uses less digits than its factorization.

42674689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its digits is 580608, while the sum is 46.

The square root of 42674689 is about 6532.5867005345. The cubic root of 42674689 is about 349.4540850023.

The spelling of 42674689 in words is "forty-two million, six hundred seventy-four thousand, six hundred eighty-nine".