6766736825 has 24 divisors (see below), whose sum is σ = 8529715968. Its totient is φ = 5324158080.

The previous prime is 6766736819. The next prime is 6766736917. The reversal of 6766736825 is 5286376676.

It is not a de Polignac number, because 6766736825 - 2¹⁸ = 6766474681 is a prime.

It is a super-2 number, since 2×6766736825² = 91577454517622161250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664724 + ... + 674826.

It is an arithmetic number, because the mean of its divisors is an integer number (355404832).

Almost surely, 2^6766736825 is an apocalyptic number.

It is an amenable number.

6766736825 is a deficient number, since it is larger than the sum of its proper divisors (1762979143).

6766736825 is a wasteful number, since it uses less digits than its factorization.

6766736825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553 (or 10548 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 56.

The square root of 6766736825 is about 82260.1776377853. The cubic root of 6766736825 is about 1891.4422913917.

The spelling of 6766736825 in words is "six billion, seven hundred sixty-six million, seven hundred thirty-six thousand, eight hundred twenty-five".