9973157 has 8 divisors (see below), whose sum is σ = 10647360. Its totient is φ = 9313920.

The previous prime is 9973153. The next prime is 9973163. The reversal of 9973157 is 7513799.

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 9973157 - 2² = 9973153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (1330920).

Almost surely, 2^9973157 is an apocalyptic number.

It is an amenable number.

9973157 is a deficient number, since it is larger than the sum of its proper divisors (674203).

9973157 is a wasteful number, since it uses less digits than its factorization.

9973157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483.

The product of its digits is 59535, while the sum is 41.

The square root of 9973157 is about 3158.0305571669. The cubic root of 9973157 is about 215.2505246253.

The spelling of 9973157 in words is "nine million, nine hundred seventy-three thousand, one hundred fifty-seven".