2072391726 has 16 divisors (see below), whose sum is σ = 4278486528. Its totient is φ = 668513400.

The previous prime is 2072391691. The next prime is 2072391773. The reversal of 2072391726 is 6271932702.

It is a congruent number.

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, 5570760 + ... + 5571131.

It is an arithmetic number, because the mean of its divisors is an integer number (267405408).

Almost surely, 2^2072391726 is an apocalyptic number.

2072391726 is an abundant number, since it is smaller than the sum of its proper divisors (2206094802).

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

2072391726 is a wasteful number, since it uses less digits than its factorization.

2072391726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141927.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 2072391726 is about 45523.5293666912. The cubic root of 2072391726 is about 1274.9425530441.

The spelling of 2072391726 in words is "two billion, seventy-two million, three hundred ninety-one thousand, seven hundred twenty-six".