770069 has 2 divisors, whose sum is σ = 770070. Its totient is φ = 770068.

The previous prime is 770059. The next prime is 770101. The reversal of 770069 is 960077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532900 + 237169 = 730^2 + 487^2 .

It is an emirp because it is prime and its reverse (960077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770069 - 2⁴ = 770053 is a prime.

It is a super-2 number, since 2×770069² = 1186012529522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385034 + 385035.

It is an arithmetic number, because the mean of its divisors is an integer number (385035).

2⁷⁷⁰⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

770069 is a deficient number, since it is larger than the sum of its proper divisors (1).

770069 is an equidigital number, since it uses as much as digits as its factorization.

770069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 770069 is about 877.5357542573. The cubic root of 770069 is about 91.6593022550.

The spelling of 770069 in words is "seven hundred seventy thousand, sixty-nine".