6340994772 has 24 divisors (see below), whose sum is σ = 16909319616. Its totient is φ = 1811712768.

The previous prime is 6340994753. The next prime is 6340994819. The reversal of 6340994772 is 2774990436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37743933 + ... + 37744100.

It is an arithmetic number, because the mean of its divisors is an integer number (704554984).

Almost surely, 2^6340994772 is an apocalyptic number.

It is an amenable number.

6340994772 is an abundant number, since it is smaller than the sum of its proper divisors (10568324844).

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

6340994772 is a wasteful number, since it uses less digits than its factorization.

6340994772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75488047 (or 75488045 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 6340994772 is about 79630.3633798063. The cubic root of 6340994772 is about 1850.9121162780.

The spelling of 6340994772 in words is "six billion, three hundred forty million, nine hundred ninety-four thousand, seven hundred seventy-two".