7820036 has 24 divisors (see below), whose sum is σ = 15703296. Its totient is φ = 3337920.

The previous prime is 7820003. The next prime is 7820063. The reversal of 7820036 is 6300287.

It is a super-2 number, since 2×7820036² = 122305926082592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7819987 and 7820014.

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, 9896 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (654304).

Almost surely, 2^7820036 is an apocalyptic number.

It is an amenable number.

7820036 is an abundant number, since it is smaller than the sum of its proper divisors (7883260).

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

7820036 is a wasteful number, since it uses less digits than its factorization.

7820036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7820036 is about 2796.4327276014. The cubic root of 7820036 is about 198.4889118158.

The spelling of 7820036 in words is "seven million, eight hundred twenty thousand, thirty-six".