6745660372 has 48 divisors (see below), whose sum is σ = 13035939840. Its totient is φ = 3028838400.

The previous prime is 6745660349. The next prime is 6745660373. The reversal of 6745660372 is 2730665476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745660373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344204 + ... + 1349212.

It is an arithmetic number, because the mean of its divisors is an integer number (271582080).

Almost surely, 2^6745660372 is an apocalyptic number.

It is an amenable number.

6745660372 is a deficient number, since it is larger than the sum of its proper divisors (6290279468).

6745660372 is a wasteful number, since it uses less digits than its factorization.

6745660372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392 (or 5390 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 6745660372 is about 82131.9692446248. The cubic root of 6745660372 is about 1889.4764814495.

The spelling of 6745660372 in words is "six billion, seven hundred forty-five million, six hundred sixty thousand, three hundred seventy-two".