671528836 has 24 divisors (see below), whose sum is σ = 1316661696. Its totient is φ = 296989920.

The previous prime is 671528831. The next prime is 671528857. The reversal of 671528836 is 638825176.

It is not an unprimeable number, because it can be changed into a prime (671528831) 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, 204616 + ... + 207871.

It is an arithmetic number, because the mean of its divisors is an integer number (54860904).

Almost surely, 2^671528836 is an apocalyptic number.

It is an amenable number.

671528836 is a deficient number, since it is larger than the sum of its proper divisors (645132860).

671528836 is a wasteful number, since it uses less digits than its factorization.

671528836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412539 (or 412537 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 671528836 is about 25913.8734271818. The cubic root of 671528836 is about 875.6990706162.

The spelling of 671528836 in words is "six hundred seventy-one million, five hundred twenty-eight thousand, eight hundred thirty-six".