3712504781 has 2 divisors, whose sum is σ = 3712504782. Its totient is φ = 3712504780.

The previous prime is 3712504723. The next prime is 3712504799. The reversal of 3712504781 is 1874052173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2904239881 + 808264900 = 53891^2 + 28430^2 .

It is a cyclic number.

It is not a de Polignac number, because 3712504781 - 2³⁰ = 2638762957 is a prime.

It is a super-2 number, since 2×3712504781² = 27565383497895715922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3712504181) 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 as a sum of consecutive naturals, namely, 1856252390 + 1856252391.

It is an arithmetic number, because the mean of its divisors is an integer number (1856252391).

Almost surely, 2^3712504781 is an apocalyptic number.

It is an amenable number.

3712504781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3712504781 is an equidigital number, since it uses as much as digits as its factorization.

3712504781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 3712504781 is about 60930.3272681183. The cubic root of 3712504781 is about 1548.4208378753.

The spelling of 3712504781 in words is "three billion, seven hundred twelve million, five hundred four thousand, seven hundred eighty-one".