7822873 has 8 divisors (see below), whose sum is σ = 8507592. Its totient is φ = 7163136.

The previous prime is 7822849. The next prime is 7822879. The reversal of 7822873 is 3782287.

It can be written as a sum of positive squares in 4 ways, for example, as 1607824 + 6215049 = 1268^2 + 2493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7822873 - 2⁹ = 7822361 is a prime.

It is a super-2 number, since 2×7822873² = 122394683948258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7822879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590 + ... + 6847.

It is an arithmetic number, because the mean of its divisors is an integer number (1063449).

Almost surely, 2^7822873 is an apocalyptic number.

It is an amenable number.

7822873 is a deficient number, since it is larger than the sum of its proper divisors (684719).

7822873 is a wasteful number, since it uses less digits than its factorization.

7822873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12491.

The product of its digits is 37632, while the sum is 37.

The square root of 7822873 is about 2796.9399350004. The cubic root of 7822873 is about 198.5129119168.

It can be divided in two parts, 782287 and 3, that multiplied together give a triangular number (2346861 = T₂₁₆₆).

The spelling of 7822873 in words is "seven million, eight hundred twenty-two thousand, eight hundred seventy-three".