6768737 has 6 divisors (see below), whose sum is σ = 7178274. Its totient is φ = 6360480.

The previous prime is 6768721. The next prime is 6768761. The reversal of 6768737 is 7378676.

It can be written as a sum of positive squares in only one way, i.e., 6370576 + 398161 = 2524^2 + 631^2 .

It is not a de Polignac number, because 6768737 - 2⁴ = 6768721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6768637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10412 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (1196379).

Almost surely, 2^6768737 is an apocalyptic number.

It is an amenable number.

6768737 is a deficient number, since it is larger than the sum of its proper divisors (409537).

6768737 is an frugal number, since it uses more digits than its factorization.

6768737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 648 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 6768737 is about 2601.6796497647. The cubic root of 6768737 is about 189.1628636400.

The spelling of 6768737 in words is "six million, seven hundred sixty-eight thousand, seven hundred thirty-seven".