6703856640 has 792 divisors, whose sum is σ = 27253070208. Its totient is φ = 1512898560.

The previous prime is 6703856623. The next prime is 6703856683. The reversal of 6703856640 is 466583076.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 216253425 + ... + 216253455.

Almost surely, 2^6703856640 is an apocalyptic number.

6703856640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6703856640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13626535104).

6703856640 is an abundant number, since it is smaller than the sum of its proper divisors (20549213568).

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

6703856640 is a wasteful number, since it uses less digits than its factorization.

6703856640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 6703856640 is about 81877.0825078666. The cubic root of 6703856640 is about 1885.5652806308.

The spelling of 6703856640 in words is "six billion, seven hundred three million, eight hundred fifty-six thousand, six hundred forty".