6749329320 has 64 divisors (see below), whose sum is σ = 22497768000. Its totient is φ = 1799820864.

The previous prime is 6749329319. The next prime is 6749329351. The reversal of 6749329320 is 239239476.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3123610 + ... + 3125769.

It is an arithmetic number, because the mean of its divisors is an integer number (351527625).

Almost surely, 2^6749329320 is an apocalyptic number.

6749329320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6749329320 is an abundant number, since it is smaller than the sum of its proper divisors (15748438680).

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

6749329320 is a wasteful number, since it uses less digits than its factorization.

6749329320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249399 (or 6249389 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 6749329320 is about 82154.3018958837. The cubic root of 6749329320 is about 1889.8189798914.

The spelling of 6749329320 in words is "six billion, seven hundred forty-nine million, three hundred twenty-nine thousand, three hundred twenty".