6391682704 has 135 divisors (see below), whose sum is σ = 14412000099. Its totient is φ = 2743815360.

The previous prime is 6391682677. The next prime is 6391682743. The reversal of 6391682704 is 4072861936.

The square root of 6391682704 is 79948.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×6391682704² = 81707215577225503232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 80907337 + ... + 80907415.

Almost surely, 2^6391682704 is an apocalyptic number.

6391682704 is the 79948-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6391682704

6391682704 is an abundant number, since it is smaller than the sum of its proper divisors (8020317395).

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

6391682704 is a wasteful number, since it uses less digits than its factorization.

6391682704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The cubic root of 6391682704 is about 1855.8309041967.

The spelling of 6391682704 in words is "six billion, three hundred ninety-one million, six hundred eighty-two thousand, seven hundred four".