7904973 has 4 divisors (see below), whose sum is σ = 10539968. Its totient is φ = 5269980.

The previous prime is 7904959. The next prime is 7904987. The reversal of 7904973 is 3794097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3794097 = 3 ⋅1264699.

It is an interprime number because it is at equal distance from previous prime (7904959) and next prime (7904987).

It is not a de Polignac number, because 7904973 - 2⁴ = 7904957 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 (7904903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317493 + ... + 1317498.

It is an arithmetic number, because the mean of its divisors is an integer number (2634992).

Almost surely, 2^7904973 is an apocalyptic number.

It is an amenable number.

7904973 is a deficient number, since it is larger than the sum of its proper divisors (2634995).

7904973 is a wasteful number, since it uses less digits than its factorization.

7904973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634994.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 7904973 is about 2811.5783823326. The cubic root of 7904973 is about 199.2049520148.

The spelling of 7904973 in words is "seven million, nine hundred four thousand, nine hundred seventy-three".