872707273 has 2 divisors, whose sum is σ = 872707274. Its totient is φ = 872707272.

The previous prime is 872707229. The next prime is 872707279. The reversal of 872707273 is 372707278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557573769 + 315133504 = 23613^2 + 17752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872707273 is a prime.

It is not a weakly prime, because it can be changed into another prime (872707279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436353636 + 436353637.

It is an arithmetic number, because the mean of its divisors is an integer number (436353637).

Almost surely, 2^872707273 is an apocalyptic number.

It is an amenable number.

872707273 is a deficient number, since it is larger than the sum of its proper divisors (1).

872707273 is an equidigital number, since it uses as much as digits as its factorization.

872707273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 872707273 is about 29541.6193361163. The cubic root of 872707273 is about 955.6294646761.

The spelling of 872707273 in words is "eight hundred seventy-two million, seven hundred seven thousand, two hundred seventy-three".