3726722985 has 32 divisors (see below), whose sum is σ = 6289920000. Its totient is φ = 1878975936.

The previous prime is 3726722941. The next prime is 3726722999. The reversal of 3726722985 is 5892276273.

3726722985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3726722985 - 2¹¹ = 3726720937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122866 + ... + 150164.

It is an arithmetic number, because the mean of its divisors is an integer number (196560000).

Almost surely, 2^3726722985 is an apocalyptic number.

It is an amenable number.

3726722985 is a deficient number, since it is larger than the sum of its proper divisors (2563197015).

3726722985 is a wasteful number, since it uses less digits than its factorization.

3726722985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27805.

The product of its digits is 2540160, while the sum is 51.

The square root of 3726722985 is about 61046.8916899133. The cubic root of 3726722985 is about 1550.3950411753.

The spelling of 3726722985 in words is "three billion, seven hundred twenty-six million, seven hundred twenty-two thousand, nine hundred eighty-five".