6726746990 has 16 divisors (see below), whose sum is σ = 12110164848. Its totient is φ = 2690249856.

The previous prime is 6726746977. The next prime is 6726746993. The reversal of 6726746990 is 996476276.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6726746993) 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, 10589 + ... + 116471.

It is an arithmetic number, because the mean of its divisors is an integer number (756885303).

Almost surely, 2^6726746990 is an apocalyptic number.

6726746990 is a deficient number, since it is larger than the sum of its proper divisors (5383417858).

6726746990 is a wasteful number, since it uses less digits than its factorization.

6726746990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112243.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The square root of 6726746990 is about 82016.7482286393. The cubic root of 6726746990 is about 1887.7089331455.

The spelling of 6726746990 in words is "six billion, seven hundred twenty-six million, seven hundred forty-six thousand, nine hundred ninety".