7973953 has 4 divisors (see below), whose sum is σ = 8587348. Its totient is φ = 7360560.

The previous prime is 7973941. The next prime is 7973971. The reversal of 7973953 is 3593797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 6927424 = 1023^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 7973953 - 2⁵ = 7973921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7973353) 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 3 ways as a sum of consecutive naturals, for example, 306678 + ... + 306703.

It is an arithmetic number, because the mean of its divisors is an integer number (2146837).

Almost surely, 2^7973953 is an apocalyptic number.

It is an amenable number.

7973953 is a deficient number, since it is larger than the sum of its proper divisors (613395).

7973953 is a wasteful number, since it uses less digits than its factorization.

7973953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613394.

The product of its digits is 178605, while the sum is 43.

The square root of 7973953 is about 2823.8188681288. The cubic root of 7973953 is about 199.7827056680.

The spelling of 7973953 in words is "seven million, nine hundred seventy-three thousand, nine hundred fifty-three".