6994027764 has 36 divisors (see below), whose sum is σ = 18012925476. Its totient is φ = 2287354368.

The previous prime is 6994027753. The next prime is 6994027771. The reversal of 6994027764 is 4677204996.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3058974864 + 3935052900 = 55308^2 + 62730^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6994027764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1830909 + ... + 1834724.

It is an arithmetic number, because the mean of its divisors is an integer number (500359041).

Almost surely, 2^6994027764 is an apocalyptic number.

It is an amenable number.

6994027764 is an abundant number, since it is smaller than the sum of its proper divisors (11018897712).

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

6994027764 is a wasteful number, since it uses less digits than its factorization.

6994027764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665696 (or 3665691 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 6994027764 is about 83630.3041008461. The cubic root of 6994027764 is about 1912.3870052939.

The spelling of 6994027764 in words is "six billion, nine hundred ninety-four million, twenty-seven thousand, seven hundred sixty-four".