774872 has 32 divisors (see below), whose sum is σ = 1689120. Its totient is φ = 326400.

The previous prime is 774863. The next prime is 774901. The reversal of 774872 is 278477.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5588 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (52785).

2⁷⁷⁴⁸⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844560).

774872 is an abundant number, since it is smaller than the sum of its proper divisors (914248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774872 is a wasteful number, since it uses less digits than its factorization.

774872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 247 counting only the distinct ones).

The product of its digits is 21952, while the sum is 35.

The square root of 774872 is about 880.2681409661. The cubic root of 774872 is about 91.8494702849.

The spelling of 774872 in words is "seven hundred seventy-four thousand, eight hundred seventy-two".