4072309722 has 32 divisors (see below), whose sum is σ = 9745700160. Its totient is φ = 1253018160.

The previous prime is 4072309669. The next prime is 4072309723. The reversal of 4072309722 is 2279032704.

It is not an unprimeable number, because it can be changed into a prime (4072309723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2899804 + ... + 2901207.

It is an arithmetic number, because the mean of its divisors is an integer number (304553130).

Almost surely, 2^4072309722 is an apocalyptic number.

4072309722 is an abundant number, since it is smaller than the sum of its proper divisors (5673390438).

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

4072309722 is a wasteful number, since it uses less digits than its factorization.

4072309722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801035 (or 5801029 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 4072309722 is about 63814.6513114347. The cubic root of 4072309722 is about 1596.9093622032.

The spelling of 4072309722 in words is "four billion, seventy-two million, three hundred nine thousand, seven hundred twenty-two".