7916543 has 4 divisors (see below), whose sum is σ = 8382240. Its totient is φ = 7450848.

The previous prime is 7916533. The next prime is 7916549. The reversal of 7916543 is 3456197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7916543 - 2¹⁶ = 7851007 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 (7916549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232823 + ... + 232856.

It is an arithmetic number, because the mean of its divisors is an integer number (2095560).

Almost surely, 2^7916543 is an apocalyptic number.

7916543 is a deficient number, since it is larger than the sum of its proper divisors (465697).

7916543 is a wasteful number, since it uses less digits than its factorization.

7916543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465696.

The product of its digits is 22680, while the sum is 35.

The square root of 7916543 is about 2813.6351931265. The cubic root of 7916543 is about 199.3020924581.

The spelling of 7916543 in words is "seven million, nine hundred sixteen thousand, five hundred forty-three".