875722 has 4 divisors (see below), whose sum is σ = 1313586. Its totient is φ = 437860.

The previous prime is 875717. The next prime is 875731. The reversal of 875722 is 227578.

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

It can be written as a sum of positive squares in only one way, i.e., 561001 + 314721 = 749^2 + 561^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 218929 + ... + 218932.

2⁸⁷⁵⁷²² is an apocalyptic number.

875722 is a deficient number, since it is larger than the sum of its proper divisors (437864).

875722 is a wasteful number, since it uses less digits than its factorization.

875722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437863.

The product of its digits is 7840, while the sum is 31.

The square root of 875722 is about 935.8001923488. The cubic root of 875722 is about 95.6728592645.

The spelling of 875722 in words is "eight hundred seventy-five thousand, seven hundred twenty-two".