772280071 has 2 divisors, whose sum is σ = 772280072. Its totient is φ = 772280070.

The previous prime is 772280053. The next prime is 772280083. The reversal of 772280071 is 170082277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772280071 - 2¹⁵ = 772247303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772280671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386140035 + 386140036.

It is an arithmetic number, because the mean of its divisors is an integer number (386140036).

Almost surely, 2^772280071 is an apocalyptic number.

772280071 is a deficient number, since it is larger than the sum of its proper divisors (1).

772280071 is an equidigital number, since it uses as much as digits as its factorization.

772280071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 772280071 is about 27789.9275098011. The cubic root of 772280071 is about 917.4694442972.

The spelling of 772280071 in words is "seven hundred seventy-two million, two hundred eighty thousand, seventy-one".