42674669 has 2 divisors, whose sum is σ = 42674670. Its totient is φ = 42674668.

The previous prime is 42674659. The next prime is 42674717. The reversal of 42674669 is 96647624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28761769 + 13912900 = 5363^2 + 3730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42674669 is a prime.

It is a super-2 number, since 2×42674669² = 3642254748519122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42674609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21337334 + 21337335.

It is an arithmetic number, because the mean of its divisors is an integer number (21337335).

Almost surely, 2^42674669 is an apocalyptic number.

It is an amenable number.

42674669 is a deficient number, since it is larger than the sum of its proper divisors (1).

42674669 is an equidigital number, since it uses as much as digits as its factorization.

42674669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 42674669 is about 6532.5851697471. The cubic root of 42674669 is about 349.4540304104.

The spelling of 42674669 in words is "forty-two million, six hundred seventy-four thousand, six hundred sixty-nine".