7663812 has 36 divisors (see below), whose sum is σ = 19368720. Its totient is φ = 2357472.

The previous prime is 7663793. The next prime is 7663813. The reversal of 7663812 is 2183667.

It is not an unprimeable number, because it can be changed into a prime (7663813) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 139 + ... + 3917.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

Almost surely, 2^7663812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7663812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9684360).

7663812 is an abundant number, since it is smaller than the sum of its proper divisors (11704908).

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

7663812 is a wasteful number, since it uses less digits than its factorization.

7663812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3797 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 7663812 is about 2768.3590807552. The cubic root of 7663812 is about 197.1582467657.

The spelling of 7663812 in words is "seven million, six hundred sixty-three thousand, eight hundred twelve".