6394030722 has 48 divisors (see below), whose sum is σ = 14349174840. Its totient is φ = 2055303936.

The previous prime is 6394030697. The next prime is 6394030757. The reversal of 6394030722 is 2270304936.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4988455641 + 1405575081 = 70629^2 + 37491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440208 + ... + 454500.

Almost surely, 2^6394030722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6394030722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7174587420).

6394030722 is an abundant number, since it is smaller than the sum of its proper divisors (7955144118).

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

6394030722 is a wasteful number, since it uses less digits than its factorization.

6394030722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15187 (or 15184 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 6394030722 is about 79962.6833091537. The cubic root of 6394030722 is about 1856.0581260981.

The spelling of 6394030722 in words is "six billion, three hundred ninety-four million, thirty thousand, seven hundred twenty-two".