6740747444 has 12 divisors (see below), whose sum is σ = 11825728068. Its totient is φ = 3361968000.

The previous prime is 6740747437. The next prime is 6740747449. The reversal of 6740747444 is 4447470476.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3826907044 + 2913840400 = 61862^2 + 53980^2 .

It is a super-2 number, since 2×6740747444² = 90875352207585066272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740747449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099627 + ... + 2102834.

It is an arithmetic number, because the mean of its divisors is an integer number (985477339).

Almost surely, 2^6740747444 is an apocalyptic number.

It is an amenable number.

6740747444 is a deficient number, since it is larger than the sum of its proper divisors (5084980624).

6740747444 is a wasteful number, since it uses less digits than its factorization.

6740747444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202866 (or 4202864 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 47.

The square root of 6740747444 is about 82102.0550534516. The cubic root of 6740747444 is about 1889.0176622032.

The spelling of 6740747444 in words is "six billion, seven hundred forty million, seven hundred forty-seven thousand, four hundred forty-four".