7973447 has 4 divisors (see below), whose sum is σ = 8158920. Its totient is φ = 7787976.

The previous prime is 7973443. The next prime is 7973453. The reversal of 7973447 is 7443797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7443797 = 53 ⋅140449.

It is a cyclic number.

It is not a de Polignac number, because 7973447 - 2² = 7973443 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 (7973443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92672 + ... + 92757.

It is an arithmetic number, because the mean of its divisors is an integer number (2039730).

Almost surely, 2^7973447 is an apocalyptic number.

7973447 is a deficient number, since it is larger than the sum of its proper divisors (185473).

7973447 is a wasteful number, since it uses less digits than its factorization.

7973447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185472.

The product of its digits is 148176, while the sum is 41.

The square root of 7973447 is about 2823.7292717256. The cubic root of 7973447 is about 199.7784797344.

The spelling of 7973447 in words is "seven million, nine hundred seventy-three thousand, four hundred forty-seven".