7832820 has 24 divisors (see below), whose sum is σ = 21932064. Its totient is φ = 2088736.

The previous prime is 7832779. The next prime is 7832843. The reversal of 7832820 is 282387.

It is a super-2 number, since 2×7832820² = 122706138304800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65214 + ... + 65333.

It is an arithmetic number, because the mean of its divisors is an integer number (913836).

Almost surely, 2^7832820 is an apocalyptic number.

It is an amenable number.

7832820 is an abundant number, since it is smaller than the sum of its proper divisors (14099244).

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

7832820 is a wasteful number, since it uses less digits than its factorization.

7832820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130559 (or 130557 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7832820 is about 2798.7175634565. The cubic root of 7832820 is about 198.5970145051.

The spelling of 7832820 in words is "seven million, eight hundred thirty-two thousand, eight hundred twenty".