722876 has 24 divisors (see below), whose sum is σ = 1577856. Its totient is φ = 281520.

The previous prime is 722849. The next prime is 722881. The reversal of 722876 is 678227.

It is a super-2 number, since 2×722876² = 1045099422752, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722876.

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, 866 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (65744).

2⁷²²⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

722876 is an abundant number, since it is smaller than the sum of its proper divisors (854980).

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

722876 is a wasteful number, since it uses less digits than its factorization.

722876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2367 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 722876 is about 850.2211477022. The cubic root of 722876 is about 89.7472745349.

The spelling of 722876 in words is "seven hundred twenty-two thousand, eight hundred seventy-six".