9900673 has 4 divisors (see below), whose sum is σ = 9907200. Its totient is φ = 9894148.

The previous prime is 9900661. The next prime is 9900677. The reversal of 9900673 is 3760099.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3760099 = 7 ⋅537157.

It is a cyclic number.

It is not a de Polignac number, because 9900673 - 2⁵ = 9900641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9900677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336 + ... + 4462.

It is an arithmetic number, because the mean of its divisors is an integer number (2476800).

Almost surely, 2^9900673 is an apocalyptic number.

It is an amenable number.

9900673 is a deficient number, since it is larger than the sum of its proper divisors (6527).

9900673 is a wasteful number, since it uses less digits than its factorization.

9900673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 9900673 is about 3146.5334894134. The cubic root of 9900673 is about 214.7277823985.

The spelling of 9900673 in words is "nine million, nine hundred thousand, six hundred seventy-three".