6729542864 has 40 divisors (see below), whose sum is σ = 14261087232. Its totient is φ = 3050865920.

The previous prime is 6729542789. The next prime is 6729542879. The reversal of 6729542864 is 4682459276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17492 + ... + 117324.

Almost surely, 2^6729542864 is an apocalyptic number.

It is an amenable number.

6729542864 is an abundant number, since it is smaller than the sum of its proper divisors (7531544368).

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

6729542864 is a wasteful number, since it uses less digits than its factorization.

6729542864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100235 (or 100229 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The square root of 6729542864 is about 82033.7909888358. The cubic root of 6729542864 is about 1887.9704297892.

The spelling of 6729542864 in words is "six billion, seven hundred twenty-nine million, five hundred forty-two thousand, eight hundred sixty-four".