9723680761 has 4 divisors (see below), whose sum is σ = 9734262400. Its totient is φ = 9713099124.

The previous prime is 9723680753. The next prime is 9723680789. The reversal of 9723680761 is 1670863279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9723680761 - 2³ = 9723680753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9723780761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289441 + ... + 5291278.

It is an arithmetic number, because the mean of its divisors is an integer number (2433565600).

Almost surely, 2^9723680761 is an apocalyptic number.

It is an amenable number.

9723680761 is a deficient number, since it is larger than the sum of its proper divisors (10581639).

9723680761 is a wasteful number, since it uses less digits than its factorization.

9723680761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581638.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 9723680761 is about 98608.7255824757. The cubic root of 9723680761 is about 2134.4053329397.

The spelling of 9723680761 in words is "nine billion, seven hundred twenty-three million, six hundred eighty thousand, seven hundred sixty-one".