9747373081 has 8 divisors (see below), whose sum is σ = 9816533640. Its totient is φ = 9678360192.

The previous prime is 9747373049. The next prime is 9747373093. The reversal of 9747373081 is 1803737479.

It can be written as a sum of positive squares in 4 ways, for example, as 3213075856 + 6534297225 = 56684^2 + 80835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9747373081 - 2⁵ = 9747373049 is a prime.

It is a super-2 number, since 2×9747373081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9747370081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97285 + ... + 170173.

It is an arithmetic number, because the mean of its divisors is an integer number (1227066705).

Almost surely, 2^9747373081 is an apocalyptic number.

It is an amenable number.

9747373081 is a deficient number, since it is larger than the sum of its proper divisors (69160559).

9747373081 is a wasteful number, since it uses less digits than its factorization.

9747373081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73835.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 9747373081 is about 98728.7854731334. The cubic root of 9747373081 is about 2136.1374615937.

The spelling of 9747373081 in words is "nine billion, seven hundred forty-seven million, three hundred seventy-three thousand, eighty-one".