42671677 has 2 divisors, whose sum is σ = 42671678. Its totient is φ = 42671676.

The previous prime is 42671669. The next prime is 42671689. The reversal of 42671677 is 77617624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30239001 + 12432676 = 5499^2 + 3526^2 .

It is a cyclic number.

It is not a de Polignac number, because 42671677 - 2³ = 42671669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42671617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21335838 + 21335839.

It is an arithmetic number, because the mean of its divisors is an integer number (21335839).

Almost surely, 2^42671677 is an apocalyptic number.

It is an amenable number.

42671677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42671677 is an equidigital number, since it uses as much as digits as its factorization.

42671677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 40.

The square root of 42671677 is about 6532.3561599166. The cubic root of 42671677 is about 349.4458632633.

The spelling of 42671677 in words is "forty-two million, six hundred seventy-one thousand, six hundred seventy-seven".