6744787872 has 24 divisors (see below), whose sum is σ = 17705068416. Its totient is φ = 2248262592.

The previous prime is 6744787853. The next prime is 6744787913. The reversal of 6744787872 is 2787874476.

It is a tau number, because it is divible by the number of its divisors (24).

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, 35129008 + ... + 35129199.

It is an arithmetic number, because the mean of its divisors is an integer number (737711184).

Almost surely, 2^6744787872 is an apocalyptic number.

It is an amenable number.

6744787872 is an abundant number, since it is smaller than the sum of its proper divisors (10960280544).

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

6744787872 is a wasteful number, since it uses less digits than its factorization.

6744787872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70258220 (or 70258212 counting only the distinct ones).

The product of its digits is 29503488, while the sum is 60.

The square root of 6744787872 is about 82126.6574992554. The cubic root of 6744787872 is about 1889.3950147869.

The spelling of 6744787872 in words is "six billion, seven hundred forty-four million, seven hundred eighty-seven thousand, eight hundred seventy-two".