973900073 has 2 divisors, whose sum is σ = 973900074. Its totient is φ = 973900072.

The previous prime is 973900027. The next prime is 973900117. The reversal of 973900073 is 370009379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585494809 + 388405264 = 24197^2 + 19708^2 .

It is a cyclic number.

It is not a de Polignac number, because 973900073 - 2⁶ = 973900009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (973900973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486950036 + 486950037.

It is an arithmetic number, because the mean of its divisors is an integer number (486950037).

Almost surely, 2^973900073 is an apocalyptic number.

It is an amenable number.

973900073 is a deficient number, since it is larger than the sum of its proper divisors (1).

973900073 is an equidigital number, since it uses as much as digits as its factorization.

973900073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 973900073 is about 31207.3720937858. The cubic root of 973900073 is about 991.2232177915.

The spelling of 973900073 in words is "nine hundred seventy-three million, nine hundred thousand, seventy-three".