7908973 has 4 divisors (see below), whose sum is σ = 7943740. Its totient is φ = 7874208.

The previous prime is 7908919. The next prime is 7908977. The reversal of 7908973 is 3798097.

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 4571044 + 3337929 = 2138^2 + 1827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7908973 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 (7908977) 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, 17040 + ... + 17497.

It is an arithmetic number, because the mean of its divisors is an integer number (1985935).

Almost surely, 2^7908973 is an apocalyptic number.

It is an amenable number.

7908973 is a deficient number, since it is larger than the sum of its proper divisors (34767).

7908973 is a wasteful number, since it uses less digits than its factorization.

7908973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34766.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 7908973 is about 2812.2896365773. The cubic root of 7908973 is about 199.2385462870.

The spelling of 7908973 in words is "seven million, nine hundred eight thousand, nine hundred seventy-three".