7917233 has 4 divisors (see below), whose sum is σ = 7957620. Its totient is φ = 7876848.

The previous prime is 7917229. The next prime is 7917241. The reversal of 7917233 is 3327197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3327197 = 97 ⋅34301.

It can be written as a sum of positive squares in 2 ways, for example, as 3869089 + 4048144 = 1967^2 + 2012^2 .

It is not a de Polignac number, because 7917233 - 2² = 7917229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7917233.

It is not an unprimeable number, because it can be changed into a prime (7917253) 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, 19898 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (1989405).

Almost surely, 2^7917233 is an apocalyptic number.

It is an amenable number.

7917233 is a deficient number, since it is larger than the sum of its proper divisors (40387).

7917233 is a wasteful number, since it uses less digits than its factorization.

7917233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40386.

The product of its digits is 7938, while the sum is 32.

The square root of 7917233 is about 2813.7578076302. The cubic root of 7917233 is about 199.3078826306.

The spelling of 7917233 in words is "seven million, nine hundred seventeen thousand, two hundred thirty-three".