3749721592 has 64 divisors (see below), whose sum is σ = 7615296000. Its totient is φ = 1725369984.

The previous prime is 3749721587. The next prime is 3749721593. The reversal of 3749721592 is 2951279473.

It is a happy number.

It is a super-2 number, since 2×3749721592² = 28120824035022028928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749721593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827509 + ... + 832027.

It is an arithmetic number, because the mean of its divisors is an integer number (118989000).

Almost surely, 2^3749721592 is an apocalyptic number.

It is an amenable number.

3749721592 is an abundant number, since it is smaller than the sum of its proper divisors (3865574408).

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

3749721592 is a wasteful number, since it uses less digits than its factorization.

3749721592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700 (or 4696 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 3749721592 is about 61234.9703355852. The cubic root of 3749721592 is about 1553.5778040971.

The spelling of 3749721592 in words is "three billion, seven hundred forty-nine million, seven hundred twenty-one thousand, five hundred ninety-two".