6750660280 has 128 divisors (see below), whose sum is σ = 18727188480. Its totient is φ = 2132697600.

The previous prime is 6750660269. The next prime is 6750660283. The reversal of 6750660280 is 820660576.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6750660283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2645005 + ... + 2647555.

It is an arithmetic number, because the mean of its divisors is an integer number (146306160).

Almost surely, 2^6750660280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6750660280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9363594240).

6750660280 is an abundant number, since it is smaller than the sum of its proper divisors (11976528200).

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

6750660280 is a wasteful number, since it uses less digits than its factorization.

6750660280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3305 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 6750660280 is about 82162.4018636262. The cubic root of 6750660280 is about 1889.9431951051.

The spelling of 6750660280 in words is "six billion, seven hundred fifty million, six hundred sixty thousand, two hundred eighty".