6749122340 has 24 divisors (see below), whose sum is σ = 14518845432. Its totient is φ = 2633803520.

The previous prime is 6749122339. The next prime is 6749122409. The reversal of 6749122340 is 432219476.

It can be written as a sum of positive squares in 4 ways, for example, as 758671936 + 5990450404 = 27544^2 + 77398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6749122294 and 6749122303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4114499 + ... + 4116138.

It is an arithmetic number, because the mean of its divisors is an integer number (604951893).

Almost surely, 2^6749122340 is an apocalyptic number.

It is an amenable number.

6749122340 is an abundant number, since it is smaller than the sum of its proper divisors (7769723092).

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

6749122340 is a wasteful number, since it uses less digits than its factorization.

6749122340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230687 (or 8230685 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 6749122340 is about 82153.0421834761. The cubic root of 6749122340 is about 1889.7996614913.

The spelling of 6749122340 in words is "six billion, seven hundred forty-nine million, one hundred twenty-two thousand, three hundred forty".