7275543 has 8 divisors (see below), whose sum is σ = 10582656. Its totient is φ = 4409400.

The previous prime is 7275533. The next prime is 7275551. The reversal of 7275543 is 3455727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7275543 - 2⁵ = 7275511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 220471 = 7275543 / (7 + 2 + 7 + 5 + 5 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110203 + ... + 110268.

It is an arithmetic number, because the mean of its divisors is an integer number (1322832).

Almost surely, 2^7275543 is an apocalyptic number.

7275543 is a deficient number, since it is larger than the sum of its proper divisors (3307113).

7275543 is a wasteful number, since it uses less digits than its factorization.

7275543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220485.

The product of its digits is 29400, while the sum is 33.

The square root of 7275543 is about 2697.3214491417. The cubic root of 7275543 is about 193.7708617148.

The spelling of 7275543 in words is "seven million, two hundred seventy-five thousand, five hundred forty-three".