9973550 has 24 divisors (see below), whose sum is σ = 18687792. Its totient is φ = 3960000.

The previous prime is 9973547. The next prime is 9973567. The reversal of 9973550 is 553799.

9973550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6890 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (778658).

Almost surely, 2^9973550 is an apocalyptic number.

9973550 is a deficient number, since it is larger than the sum of its proper divisors (8714242).

9973550 is a wasteful number, since it uses less digits than its factorization.

9973550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 9973550 is about 3158.0927788778. The cubic root of 9973550 is about 215.2533519595.

The spelling of 9973550 in words is "nine million, nine hundred seventy-three thousand, five hundred fifty".