849073671 has 20 divisors (see below), whose sum is σ = 1273223952. Its totient is φ = 563882688.

The previous prime is 849073637. The next prime is 849073697. The reversal of 849073671 is 176370948.

It is a de Polignac number, because none of the positive numbers 2^k-849073671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849073271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1375 + ... + 41231.

Almost surely, 2^849073671 is an apocalyptic number.

849073671 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

849073671 is a deficient number, since it is larger than the sum of its proper divisors (424150281).

849073671 is a wasteful number, since it uses less digits than its factorization.

849073671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40132 (or 40123 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 849073671 is about 29138.8687323307. The cubic root of 849073671 is about 946.9240015029.

The spelling of 849073671 in words is "eight hundred forty-nine million, seventy-three thousand, six hundred seventy-one".