770242073 has 2 divisors, whose sum is σ = 770242074. Its totient is φ = 770242072.

The previous prime is 770242043. The next prime is 770242097. The reversal of 770242073 is 370242077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588208009 + 182034064 = 24253^2 + 13492^2 .

It is a cyclic number.

It is not a de Polignac number, because 770242073 - 2²² = 766047769 is a prime.

It is not a weakly prime, because it can be changed into another prime (770242043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385121036 + 385121037.

It is an arithmetic number, because the mean of its divisors is an integer number (385121037).

Almost surely, 2^770242073 is an apocalyptic number.

It is an amenable number.

770242073 is a deficient number, since it is larger than the sum of its proper divisors (1).

770242073 is an equidigital number, since it uses as much as digits as its factorization.

770242073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 770242073 is about 27753.2353609449. The cubic root of 770242073 is about 916.6616854973.

It can be divided in two parts, 77024 and 2073, that added together give a palindrome (79097).

The spelling of 770242073 in words is "seven hundred seventy million, two hundred forty-two thousand, seventy-three".