774231 has 24 divisors (see below), whose sum is σ = 1178880. Its totient is φ = 450432.

The previous prime is 774229. The next prime is 774233. The reversal of 774231 is 132477.

It is an interprime number because it is at equal distance from previous prime (774229) and next prime (774233).

It is not a de Polignac number, because 774231 - 2¹ = 774229 is a prime.

It is a super-2 number, since 2×774231² = 1198867282722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774233) 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 in 23 ways as a sum of consecutive naturals, for example, 16450 + ... + 16496.

It is an arithmetic number, because the mean of its divisors is an integer number (49120).

2⁷⁷⁴²³¹ is an apocalyptic number.

774231 is the 557-th centered pentagonal number.

774231 is a deficient number, since it is larger than the sum of its proper divisors (404649).

774231 is a wasteful number, since it uses less digits than its factorization.

774231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 86 counting only the distinct ones).

The product of its digits is 1176, while the sum is 24.

The square root of 774231 is about 879.9039720333. The cubic root of 774231 is about 91.8241363146.

The spelling of 774231 in words is "seven hundred seventy-four thousand, two hundred thirty-one".