7668274328 has 128 divisors (see below), whose sum is σ = 17590487040. Its totient is φ = 3111926400.

The previous prime is 7668274319. The next prime is 7668274349. The reversal of 7668274328 is 8234728667.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7668274328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4290251 + ... + 4292037.

It is an arithmetic number, because the mean of its divisors is an integer number (137425680).

Almost surely, 2^7668274328 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 7668274328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8795243520).

7668274328 is an abundant number, since it is smaller than the sum of its proper divisors (9922212712).

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

7668274328 is a wasteful number, since it uses less digits than its factorization.

7668274328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870 (or 1844 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The square root of 7668274328 is about 87568.6834890191. The cubic root of 7668274328 is about 1971.9650510094.

The spelling of 7668274328 in words is "seven billion, six hundred sixty-eight million, two hundred seventy-four thousand, three hundred twenty-eight".