6744557372 has 18 divisors (see below), whose sum is σ = 13729992192. Its totient is φ = 2890524504.

The previous prime is 6744557363. The next prime is 6744557389. The reversal of 6744557372 is 2737554476.

It is a self number, because there is not a number n which added to its sum of digits gives 6744557372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17205308 + ... + 17205699.

It is an arithmetic number, because the mean of its divisors is an integer number (762777344).

Almost surely, 2^6744557372 is an apocalyptic number.

It is an amenable number.

6744557372 is an abundant number, since it is smaller than the sum of its proper divisors (6985434820).

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

6744557372 is a wasteful number, since it uses less digits than its factorization.

6744557372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34411025 (or 34411016 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 50.

The square root of 6744557372 is about 82125.2541670344. The cubic root of 6744557372 is about 1889.3734914754.

The spelling of 6744557372 in words is "six billion, seven hundred forty-four million, five hundred fifty-seven thousand, three hundred seventy-two".