7491243 has 16 divisors (see below), whose sum is σ = 10419200. Its totient is φ = 4782240.

The previous prime is 7491241. The next prime is 7491247. The reversal of 7491243 is 3421947.

It is a happy number.

It is not a de Polignac number, because 7491243 - 2¹ = 7491241 is a prime.

It is a super-2 number, since 2×7491243² = 112237443370098, which contains 22 as substring.

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 7491243.

It is not an unprimeable number, because it can be changed into a prime (7491241) 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 15 ways as a sum of consecutive naturals, for example, 9768 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (651200).

Almost surely, 2^7491243 is an apocalyptic number.

7491243 is a deficient number, since it is larger than the sum of its proper divisors (2927957).

7491243 is a wasteful number, since it uses less digits than its factorization.

7491243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882.

The product of its digits is 6048, while the sum is 30.

The square root of 7491243 is about 2737.0135184175. The cubic root of 7491243 is about 195.6671690643.

The spelling of 7491243 in words is "seven million, four hundred ninety-one thousand, two hundred forty-three".