772310243 has 2 divisors, whose sum is σ = 772310244. Its totient is φ = 772310242.

The previous prime is 772310207. The next prime is 772310249. The reversal of 772310243 is 342013277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772310243 - 2⁶ = 772310179 is a prime.

It is a super-2 number, since 2×772310243² = 1192926222885438098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (772310249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386155121 + 386155122.

It is an arithmetic number, because the mean of its divisors is an integer number (386155122).

Almost surely, 2^772310243 is an apocalyptic number.

772310243 is a deficient number, since it is larger than the sum of its proper divisors (1).

772310243 is an equidigital number, since it uses as much as digits as its factorization.

772310243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 772310243 is about 27790.4703630579. The cubic root of 772310243 is about 917.4813922630.

The spelling of 772310243 in words is "seven hundred seventy-two million, three hundred ten thousand, two hundred forty-three".