6748681764 has 24 divisors (see below), whose sum is σ = 17178463008. Its totient is φ = 2045055040.

The previous prime is 6748681739. The next prime is 6748681769. The reversal of 6748681764 is 4671868476.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6748681769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25563057 + ... + 25563320.

It is an arithmetic number, because the mean of its divisors is an integer number (715769292).

Almost surely, 2^6748681764 is an apocalyptic number.

It is an amenable number.

6748681764 is an abundant number, since it is smaller than the sum of its proper divisors (10429781244).

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

6748681764 is a wasteful number, since it uses less digits than its factorization.

6748681764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51126395 (or 51126393 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The square root of 6748681764 is about 82150.3607052337. The cubic root of 6748681764 is about 1889.7585391818.

The spelling of 6748681764 in words is "six billion, seven hundred forty-eight million, six hundred eighty-one thousand, seven hundred sixty-four".