6737664620 has 96 divisors (see below), whose sum is σ = 15400820736. Its totient is φ = 2468505600.

The previous prime is 6737664617. The next prime is 6737664631. The reversal of 6737664620 is 264667376.

It is a super-2 number, since 2×6737664620² = 90792249063199488800, which contains 22 as substring.

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, 1380785 + ... + 1385655.

It is an arithmetic number, because the mean of its divisors is an integer number (160425216).

Almost surely, 2^6737664620 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 6737664620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7700410368).

6737664620 is an abundant number, since it is smaller than the sum of its proper divisors (8663156116).

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

6737664620 is a wasteful number, since it uses less digits than its factorization.

6737664620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 47.

The square root of 6737664620 is about 82083.2785651256. The cubic root of 6737664620 is about 1888.7296428583.

The spelling of 6737664620 in words is "six billion, seven hundred thirty-seven million, six hundred sixty-four thousand, six hundred twenty".