7681212 has 144 divisors (see below), whose sum is σ = 25788672. Its totient is φ = 1866240.

The previous prime is 7681199. The next prime is 7681213. The reversal of 7681212 is 2121867.

7681212 is a modest number, since divided by 1212 gives 768 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7681213) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 47043 + ... + 47205.

It is an arithmetic number, because the mean of its divisors is an integer number (179088).

Almost surely, 2^7681212 is an apocalyptic number.

It is a pronic number, being equal to 2771×2772.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7681212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12894336).

7681212 is an abundant number, since it is smaller than the sum of its proper divisors (18107460).

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

7681212 is a wasteful number, since it uses less digits than its factorization.

7681212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 7681212 is about 2771.4999548981. The cubic root of 7681212 is about 197.3073440430.

The spelling of 7681212 in words is "seven million, six hundred eighty-one thousand, two hundred twelve".