6746342644 has 12 divisors (see below), whose sum is σ = 11833368484. Its totient is φ = 3365380224.

The previous prime is 6746342639. The next prime is 6746342653. The reversal of 6746342644 is 4462436476.

It can be written as a sum of positive squares in 2 ways, for example, as 2335788900 + 4410553744 = 48330^2 + 66412^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6746342594 and 6746342603.

It is a congruent number.

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, 1945827 + ... + 1949290.

Almost surely, 2^6746342644 is an apocalyptic number.

It is an amenable number.

6746342644 is a deficient number, since it is larger than the sum of its proper divisors (5087025840).

6746342644 is a wasteful number, since it uses less digits than its factorization.

6746342644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895554 (or 3895552 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 46.

The square root of 6746342644 is about 82136.1226501471. The cubic root of 6746342644 is about 1889.5401813379.

The spelling of 6746342644 in words is "six billion, seven hundred forty-six million, three hundred forty-two thousand, six hundred forty-four".