7973943 has 8 divisors (see below), whose sum is σ = 10645248. Its totient is φ = 5309304.

The previous prime is 7973941. The next prime is 7973971. The reversal of 7973943 is 3493797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7973943 - 2¹ = 7973941 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7973895 and 7973904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7973941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2980 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (1330656).

Almost surely, 2^7973943 is an apocalyptic number.

7973943 is a deficient number, since it is larger than the sum of its proper divisors (2671305).

7973943 is a wasteful number, since it uses less digits than its factorization.

7973943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333.

The product of its digits is 142884, while the sum is 42.

The square root of 7973943 is about 2823.8170974764. The cubic root of 7973943 is about 199.7826221533.

The spelling of 7973943 in words is "seven million, nine hundred seventy-three thousand, nine hundred forty-three".