6751213920 has 960 divisors, whose sum is σ = 28452695040. Its totient is φ = 1490227200.

The previous prime is 6751213913. The next prime is 6751213939. The reversal of 6751213920 is 293121576.

6751213920 is a `hidden beast` number, since 6 + 7 + 512 + 139 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 95087485 + ... + 95087555.

It is an arithmetic number, because the mean of its divisors is an integer number (29638224).

Almost surely, 2^6751213920 is an apocalyptic number.

6751213920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6751213920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14226347520).

6751213920 is an abundant number, since it is smaller than the sum of its proper divisors (21701481120).

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

6751213920 is a wasteful number, since it uses less digits than its factorization.

6751213920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 6751213920 is about 82165.7709755102. The cubic root of 6751213920 is about 1889.9948601523.

The spelling of 6751213920 in words is "six billion, seven hundred fifty-one million, two hundred thirteen thousand, nine hundred twenty".