3728122273 has 2 divisors, whose sum is σ = 3728122274. Its totient is φ = 3728122272.

The previous prime is 3728122271. The next prime is 3728122283. The reversal of 3728122273 is 3722218273.

3728122273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3659282064 + 68840209 = 60492^2 + 8297^2 .

It is a cyclic number.

It is not a de Polignac number, because 3728122273 - 2¹ = 3728122271 is a prime.

Together with 3728122271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3728122271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864061136 + 1864061137.

It is an arithmetic number, because the mean of its divisors is an integer number (1864061137).

Almost surely, 2^3728122273 is an apocalyptic number.

It is an amenable number.

3728122273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3728122273 is an equidigital number, since it uses as much as digits as its factorization.

3728122273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 3728122273 is about 61058.3513780056. The cubic root of 3728122273 is about 1550.5890612941.

The spelling of 3728122273 in words is "three billion, seven hundred twenty-eight million, one hundred twenty-two thousand, two hundred seventy-three".