8730356720 has 20 divisors (see below), whose sum is σ = 20298079560. Its totient is φ = 3492142656.

The previous prime is 8730356659. The next prime is 8730356753. The reversal of 8730356720 is 276530378.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54564650 + ... + 54564809.

It is an arithmetic number, because the mean of its divisors is an integer number (1014903978).

Almost surely, 2^8730356720 is an apocalyptic number.

8730356720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8730356720 is an abundant number, since it is smaller than the sum of its proper divisors (11567722840).

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

8730356720 is a wasteful number, since it uses less digits than its factorization.

8730356720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109129472 (or 109129466 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 8730356720 is about 93436.3779263730. The cubic root of 8730356720 is about 2059.0994838649.

The spelling of 8730356720 in words is "eight billion, seven hundred thirty million, three hundred fifty-six thousand, seven hundred twenty".