3723987737 has 2 divisors, whose sum is σ = 3723987738. Its totient is φ = 3723987736.

The previous prime is 3723987733. The next prime is 3723987749. The reversal of 3723987737 is 7377893273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2422509961 + 1301477776 = 49219^2 + 36076^2 .

It is a cyclic number.

It is not a de Polignac number, because 3723987737 - 2² = 3723987733 is a prime.

It is not a weakly prime, because it can be changed into another prime (3723987731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861993868 + 1861993869.

It is an arithmetic number, because the mean of its divisors is an integer number (1861993869).

Almost surely, 2^3723987737 is an apocalyptic number.

It is an amenable number.

3723987737 is a deficient number, since it is larger than the sum of its proper divisors (1).

3723987737 is an equidigital number, since it uses as much as digits as its factorization.

3723987737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9335088, while the sum is 56.

The square root of 3723987737 is about 61024.4847335887. The cubic root of 3723987737 is about 1550.0156414655.

The spelling of 3723987737 in words is "three billion, seven hundred twenty-three million, nine hundred eighty-seven thousand, seven hundred thirty-seven".