9372973 has 2 divisors, whose sum is σ = 9372974. Its totient is φ = 9372972.

The previous prime is 9372971. The next prime is 9372991. The reversal of 9372973 is 3792739.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9351364 + 21609 = 3058^2 + 147^2 .

It is an emirp because it is prime and its reverse (3792739) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9372973 - 2¹ = 9372971 is a prime.

Together with 9372971, it forms a pair of twin primes.

9372973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9372971) 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 as a sum of consecutive naturals, namely, 4686486 + 4686487.

It is an arithmetic number, because the mean of its divisors is an integer number (4686487).

Almost surely, 2^9372973 is an apocalyptic number.

It is an amenable number.

9372973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9372973 is an equidigital number, since it uses as much as digits as its factorization.

9372973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 40.

The square root of 9372973 is about 3061.5311528711. The cubic root of 9372973 is about 210.8429684477.

The spelling of 9372973 in words is "nine million, three hundred seventy-two thousand, nine hundred seventy-three".