6394763772 has 36 divisors (see below), whose sum is σ = 16168007856. Its totient is φ = 2131130880.

The previous prime is 6394763743. The next prime is 6394763777. The reversal of 6394763772 is 2773674936.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394763777) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 179553 + ... + 212199.

Almost surely, 2^6394763772 is an apocalyptic number.

It is an amenable number.

6394763772 is an abundant number, since it is smaller than the sum of its proper divisors (9773244084).

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

6394763772 is a wasteful number, since it uses less digits than its factorization.

6394763772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38098 (or 38093 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 54.

The square root of 6394763772 is about 79967.2668783922. The cubic root of 6394763772 is about 1856.1290532631.

The spelling of 6394763772 in words is "six billion, three hundred ninety-four million, seven hundred sixty-three thousand, seven hundred seventy-two".