6907747909920 has 384 divisors, whose sum is σ = 25590071743488. Its totient is φ = 1544182886400.

The previous prime is 6907747909903. The next prime is 6907747909957. The reversal of 6907747909920 is 299097477096.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66597619 + ... + 66701261.

It is an arithmetic number, because the mean of its divisors is an integer number (66640811832).

Almost surely, 2^{6907747909920} is an apocalyptic number.

6907747909920 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 6907747909920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12795035871744).

6907747909920 is an abundant number, since it is smaller than the sum of its proper divisors (18682323833568).

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

6907747909920 is a wasteful number, since it uses less digits than its factorization.

6907747909920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104656 (or 104648 counting only the distinct ones).

The product of its (nonzero) digits is 108020304, while the sum is 69.

The spelling of 6907747909920 in words is "six trillion, nine hundred seven billion, seven hundred forty-seven million, nine hundred nine thousand, nine hundred twenty".