775741 has 2 divisors, whose sum is σ = 775742. Its totient is φ = 775740.

The previous prime is 775739. The next prime is 775757. The reversal of 775741 is 147577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 60025 = 846^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 775741 - 2¹ = 775739 is a prime.

Together with 775739, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387870 + 387871.

It is an arithmetic number, because the mean of its divisors is an integer number (387871).

2⁷⁷⁵⁷⁴¹ is an apocalyptic number.

It is an amenable number.

775741 is a deficient number, since it is larger than the sum of its proper divisors (1).

775741 is an equidigital number, since it uses as much as digits as its factorization.

775741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6860, while the sum is 31.

The square root of 775741 is about 880.7616022511. The cubic root of 775741 is about 91.8837931023.

The spelling of 775741 in words is "seven hundred seventy-five thousand, seven hundred forty-one".