6723897936 has 80 divisors (see below), whose sum is σ = 21019261824. Its totient is φ = 1808105472.

The previous prime is 6723897931. The next prime is 6723897937. The reversal of 6723897936 is 6397983276.

It is a self number, because there is not a number n which added to its sum of digits gives 6723897936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723897931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582865 + ... + 594288.

Almost surely, 2^6723897936 is an apocalyptic number.

It is an amenable number.

6723897936 is an abundant number, since it is smaller than the sum of its proper divisors (14295363888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6723897936 is a wasteful number, since it uses less digits than its factorization.

6723897936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177188 (or 1177182 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 60.

The square root of 6723897936 is about 81999.3776561749. The cubic root of 6723897936 is about 1887.4423880548.

The spelling of 6723897936 in words is "six billion, seven hundred twenty-three million, eight hundred ninety-seven thousand, nine hundred thirty-six".