6766728696 has 240 divisors, whose sum is σ = 23031950760. Its totient is φ = 1784039040.

The previous prime is 6766728677. The next prime is 6766728713. The reversal of 6766728696 is 6968276676.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2245831 + ... + 2248841.

Almost surely, 2^6766728696 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 6766728696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11515975380).

6766728696 is an abundant number, since it is smaller than the sum of its proper divisors (16265222064).

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

6766728696 is a wasteful number, since it uses less digits than its factorization.

6766728696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3036 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The square root of 6766728696 is about 82260.1282274712. The cubic root of 6766728696 is about 1891.4415339837.

The spelling of 6766728696 in words is "six billion, seven hundred sixty-six million, seven hundred twenty-eight thousand, six hundred ninety-six".