6993526764 has 144 divisors (see below), whose sum is σ = 20168332800. Its totient is φ = 1875291264.

The previous prime is 6993526723. The next prime is 6993526781. The reversal of 6993526764 is 4676253996.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1214877 + ... + 1220619.

Almost surely, 2^6993526764 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 6993526764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10084166400).

6993526764 is an abundant number, since it is smaller than the sum of its proper divisors (13174806036).

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

6993526764 is a wasteful number, since it uses less digits than its factorization.

6993526764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5883 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 57.

The square root of 6993526764 is about 83627.3087214936. The cubic root of 6993526764 is about 1912.3413411549.

The spelling of 6993526764 in words is "six billion, nine hundred ninety-three million, five hundred twenty-six thousand, seven hundred sixty-four".