6924720720 has 80 divisors (see below), whose sum is σ = 21635758080. Its totient is φ = 1832044032.

The previous prime is 6924720689. The next prime is 6924720763. The reversal of 6924720720 is 270274296.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 83115 + ... + 144074.

It is an arithmetic number, because the mean of its divisors is an integer number (270446976).

Almost surely, 2^6924720720 is an apocalyptic number.

6924720720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6924720720 is an abundant number, since it is smaller than the sum of its proper divisors (14711037360).

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

6924720720 is a wasteful number, since it uses less digits than its factorization.

6924720720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227332 (or 227326 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 6924720720 is about 83214.9068376574. The cubic root of 6924720720 is about 1906.0491159162.

The spelling of 6924720720 in words is "six billion, nine hundred twenty-four million, seven hundred twenty thousand, seven hundred twenty".