6744820566 has 32 divisors (see below), whose sum is σ = 14773269888. Its totient is φ = 2035927040.

The previous prime is 6744820547. The next prime is 6744820573. The reversal of 6744820566 is 6650284476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181860 + ... + 215783.

It is an arithmetic number, because the mean of its divisors is an integer number (461664684).

Almost surely, 2^6744820566 is an apocalyptic number.

6744820566 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6744820566 is an abundant number, since it is smaller than the sum of its proper divisors (8028449322).

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

6744820566 is a wasteful number, since it uses less digits than its factorization.

6744820566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397916.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 6744820566 is about 82126.8565452252. The cubic root of 6744820566 is about 1889.3980676025.

The spelling of 6744820566 in words is "six billion, seven hundred forty-four million, eight hundred twenty thousand, five hundred sixty-six".