7993145 has 16 divisors (see below), whose sum is σ = 10222848. Its totient is φ = 5978880.

The previous prime is 7993127. The next prime is 7993157. The reversal of 7993145 is 5413997.

It is a happy number.

It is not a de Polignac number, because 7993145 - 2⁸ = 7992889 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7993099 and 7993108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22862 + ... + 23208.

It is an arithmetic number, because the mean of its divisors is an integer number (638928).

Almost surely, 2^7993145 is an apocalyptic number.

It is an amenable number.

7993145 is a deficient number, since it is larger than the sum of its proper divisors (2229703).

7993145 is a wasteful number, since it uses less digits than its factorization.

7993145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 34020, while the sum is 38.

The square root of 7993145 is about 2827.2150607975. The cubic root of 7993145 is about 199.9428586759.

The spelling of 7993145 in words is "seven million, nine hundred ninety-three thousand, one hundred forty-five".