42674687 has 4 divisors (see below), whose sum is σ = 46554216. Its totient is φ = 38795160.

The previous prime is 42674669. The next prime is 42674717. The reversal of 42674687 is 78647624.

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

It is a cyclic number.

It is not a de Polignac number, because 42674687 - 2⁶ = 42674623 is a prime.

It is a super-2 number, since 2×42674687² = 3642257821095938, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42674657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939748 + ... + 1939769.

It is an arithmetic number, because the mean of its divisors is an integer number (11638554).

Almost surely, 2^42674687 is an apocalyptic number.

42674687 is a deficient number, since it is larger than the sum of its proper divisors (3879529).

42674687 is a wasteful number, since it uses less digits than its factorization.

42674687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879528.

The product of its digits is 451584, while the sum is 44.

The square root of 42674687 is about 6532.5865474558. The cubic root of 42674687 is about 349.4540795431.

The spelling of 42674687 in words is "forty-two million, six hundred seventy-four thousand, six hundred eighty-seven".