9720810052 has 48 divisors (see below), whose sum is σ = 18526859568. Its totient is φ = 4444139520.

The previous prime is 9720810049. The next prime is 9720810053. The reversal of 9720810052 is 2500180279.

It can be written as a sum of positive squares in 8 ways, for example, as 942244416 + 8778565636 = 30696^2 + 93694^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (9720810053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912138 + ... + 1917214.

It is an arithmetic number, because the mean of its divisors is an integer number (385976241).

Almost surely, 2^9720810052 is an apocalyptic number.

It is an amenable number.

9720810052 is a deficient number, since it is larger than the sum of its proper divisors (8806049516).

9720810052 is a wasteful number, since it uses less digits than its factorization.

9720810052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5894 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 9720810052 is about 98594.1684482404. The cubic root of 9720810052 is about 2134.1952664080.

The spelling of 9720810052 in words is "nine billion, seven hundred twenty million, eight hundred ten thousand, fifty-two".