3720738841 has 2 divisors, whose sum is σ = 3720738842. Its totient is φ = 3720738840.

The previous prime is 3720738817. The next prime is 3720738863. The reversal of 3720738841 is 1488370273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2934497241 + 786241600 = 54171^2 + 28040^2 .

It is a cyclic number.

It is not a de Polignac number, because 3720738841 - 2⁵ = 3720738809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3720738041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860369420 + 1860369421.

It is an arithmetic number, because the mean of its divisors is an integer number (1860369421).

Almost surely, 2^3720738841 is an apocalyptic number.

It is an amenable number.

3720738841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3720738841 is an equidigital number, since it uses as much as digits as its factorization.

3720738841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 3720738841 is about 60997.8593148973. The cubic root of 3720738841 is about 1549.5647534080.

The spelling of 3720738841 in words is "three billion, seven hundred twenty million, seven hundred thirty-eight thousand, eight hundred forty-one".