3720436273 has 2 divisors, whose sum is σ = 3720436274. Its totient is φ = 3720436272.

The previous prime is 3720436229. The next prime is 3720436297. The reversal of 3720436273 is 3726340273.

3720436273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2451438144 + 1268998129 = 49512^2 + 35623^2 .

It is a cyclic number.

It is not a de Polignac number, because 3720436273 - 2¹³ = 3720428081 is a prime.

It is a super-2 number, since 2×3720436273² = 27683292122908261058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3720436373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860218136 + 1860218137.

It is an arithmetic number, because the mean of its divisors is an integer number (1860218137).

Almost surely, 2^3720436273 is an apocalyptic number.

It is an amenable number.

3720436273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3720436273 is an equidigital number, since it uses as much as digits as its factorization.

3720436273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 37.

The square root of 3720436273 is about 60995.3791118639. The cubic root of 3720436273 is about 1549.5227490788.

The spelling of 3720436273 in words is "three billion, seven hundred twenty million, four hundred thirty-six thousand, two hundred seventy-three".