6744660836 has 12 divisors (see below), whose sum is σ = 11805428460. Its totient is φ = 3371681280.

The previous prime is 6744660821. The next prime is 6744660841. The reversal of 6744660836 is 6380664476.

It can be written as a sum of positive squares in 2 ways, for example, as 4508316736 + 2236344100 = 67144^2 + 47290^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138521 + ... + 180768.

It is an arithmetic number, because the mean of its divisors is an integer number (983785705).

Almost surely, 2^6744660836 is an apocalyptic number.

It is an amenable number.

6744660836 is a deficient number, since it is larger than the sum of its proper divisors (5060767624).

6744660836 is a wasteful number, since it uses less digits than its factorization.

6744660836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324574 (or 324572 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 50.

The square root of 6744660836 is about 82125.8840804773. The cubic root of 6744660836 is about 1889.3831526549.

The spelling of 6744660836 in words is "six billion, seven hundred forty-four million, six hundred sixty thousand, eight hundred thirty-six".