774913 has 4 divisors (see below), whose sum is σ = 789588. Its totient is φ = 760240.

The previous prime is 774901. The next prime is 774919. The reversal of 774913 is 319477.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186624 + 588289 = 432^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 774913 - 2¹³ = 766721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (774919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7258 + ... + 7363.

It is an arithmetic number, because the mean of its divisors is an integer number (197397).

2⁷⁷⁴⁹¹³ is an apocalyptic number.

It is an amenable number.

774913 is a deficient number, since it is larger than the sum of its proper divisors (14675).

774913 is a wasteful number, since it uses less digits than its factorization.

774913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674.

The product of its digits is 5292, while the sum is 31.

The square root of 774913 is about 880.2914290166. The cubic root of 774913 is about 91.8510902349.

The spelling of 774913 in words is "seven hundred seventy-four thousand, nine hundred thirteen".