774997 has 2 divisors, whose sum is σ = 774998. Its totient is φ = 774996.

The previous prime is 774959. The next prime is 775007. The reversal of 774997 is 799477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 198916 = 759^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 774997 - 2¹¹ = 772949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387498 + 387499.

It is an arithmetic number, because the mean of its divisors is an integer number (387499).

2⁷⁷⁴⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

774997 is a deficient number, since it is larger than the sum of its proper divisors (1).

774997 is an equidigital number, since it uses as much as digits as its factorization.

774997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132, while the sum is 43.

The square root of 774997 is about 880.3391391958. The cubic root of 774997 is about 91.8544089786.

It can be divided in two parts, 774 and 997, that added together give a palindrome (1771).

The spelling of 774997 in words is "seven hundred seventy-four thousand, nine hundred ninety-seven".