7668250644 has 48 divisors (see below), whose sum is σ = 19106680320. Its totient is φ = 2388328320.

The previous prime is 7668250621. The next prime is 7668250657. The reversal of 7668250644 is 4460528667.

It is a junction number, because it is equal to n+sod(n) for n = 7668250593 and 7668250602.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 344619 + ... + 366194.

It is an arithmetic number, because the mean of its divisors is an integer number (398055840).

Almost surely, 2^7668250644 is an apocalyptic number.

It is an amenable number.

7668250644 is an abundant number, since it is smaller than the sum of its proper divisors (11438429676).

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

7668250644 is a wasteful number, since it uses less digits than its factorization.

7668250644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710880 (or 710878 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 7668250644 is about 87568.5482579219. The cubic root of 7668250644 is about 1971.9630208235.

The spelling of 7668250644 in words is "seven billion, six hundred sixty-eight million, two hundred fifty thousand, six hundred forty-four".