774427 has 2 divisors, whose sum is σ = 774428. Its totient is φ = 774426.

The previous prime is 774377. The next prime is 774439. The reversal of 774427 is 724477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 774427 - 2¹¹ = 772379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (774467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387213 + 387214.

It is an arithmetic number, because the mean of its divisors is an integer number (387214).

2⁷⁷⁴⁴²⁷ is an apocalyptic number.

774427 is a deficient number, since it is larger than the sum of its proper divisors (1).

774427 is an equidigital number, since it uses as much as digits as its factorization.

774427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10976, while the sum is 31.

The square root of 774427 is about 880.0153407754. The cubic root of 774427 is about 91.8318842229.

The spelling of 774427 in words is "seven hundred seventy-four thousand, four hundred twenty-seven", and thus it is an iban number.