9726672650 has 48 divisors (see below), whose sum is σ = 18409039008. Its totient is φ = 3822552000.

The previous prime is 9726672649. The next prime is 9726672671. The reversal of 9726672650 is 562766279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4668509 + ... + 4670591.

It is an arithmetic number, because the mean of its divisors is an integer number (383521646).

Almost surely, 2^9726672650 is an apocalyptic number.

9726672650 is a deficient number, since it is larger than the sum of its proper divisors (8682366358).

9726672650 is a wasteful number, since it uses less digits than its factorization.

9726672650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3682 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 9726672650 is about 98623.8949241004. The cubic root of 9726672650 is about 2134.6242229240.

The spelling of 9726672650 in words is "nine billion, seven hundred twenty-six million, six hundred seventy-two thousand, six hundred fifty".