6997760 has 144 divisors (see below), whose sum is σ = 21192192. Its totient is φ = 2150400.

The previous prime is 6997747. The next prime is 6997789. The reversal of 6997760 is 677996.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98525 + ... + 98595.

It is an arithmetic number, because the mean of its divisors is an integer number (147168).

Almost surely, 2^6997760 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 6997760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10596096).

6997760 is an abundant number, since it is smaller than the sum of its proper divisors (14194432).

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

6997760 is a wasteful number, since it uses less digits than its factorization.

6997760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 6997760 is about 2645.3279569838. The cubic root of 6997760 is about 191.2727115011.

The spelling of 6997760 in words is "six million, nine hundred ninety-seven thousand, seven hundred sixty".