4072276321 has 2 divisors, whose sum is σ = 4072276322. Its totient is φ = 4072276320.

The previous prime is 4072276283. The next prime is 4072276337. The reversal of 4072276321 is 1236722704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3893760000 + 178516321 = 62400^2 + 13361^2 .

It is a cyclic number.

It is not a de Polignac number, because 4072276321 - 2¹³ = 4072268129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4072276361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036138160 + 2036138161.

It is an arithmetic number, because the mean of its divisors is an integer number (2036138161).

Almost surely, 2^4072276321 is an apocalyptic number.

It is an amenable number.

4072276321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072276321 is an equidigital number, since it uses as much as digits as its factorization.

4072276321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 4072276321 is about 63814.3896076739. The cubic root of 4072276321 is about 1596.9049962521.

The spelling of 4072276321 in words is "four billion, seventy-two million, two hundred seventy-six thousand, three hundred twenty-one".