3720738849 has 16 divisors (see below), whose sum is σ = 4978843200. Its totient is φ = 2471579136.

The previous prime is 3720738841. The next prime is 3720738863. The reversal of 3720738849 is 9488370273.

It is not a de Polignac number, because 3720738849 - 2³ = 3720738841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3720738841) 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, 1985577 + ... + 1987449.

It is an arithmetic number, because the mean of its divisors is an integer number (311177700).

Almost surely, 2^3720738849 is an apocalyptic number.

It is an amenable number.

3720738849 is a deficient number, since it is larger than the sum of its proper divisors (1258104351).

3720738849 is a wasteful number, since it uses less digits than its factorization.

3720738849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 3720738849 is about 60997.8593804733. The cubic root of 3720738849 is about 1549.5647545186.

The spelling of 3720738849 in words is "three billion, seven hundred twenty million, seven hundred thirty-eight thousand, eight hundred forty-nine".