7431393 has 4 divisors (see below), whose sum is σ = 9908528. Its totient is φ = 4954260.

The previous prime is 7431379. The next prime is 7431419. The reversal of 7431393 is 3931347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7431393 - 2⁴ = 7431377 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 7431393.

It is not an unprimeable number, because it can be changed into a prime (7431343) 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 3 ways as a sum of consecutive naturals, for example, 1238563 + ... + 1238568.

It is an arithmetic number, because the mean of its divisors is an integer number (2477132).

Almost surely, 2^7431393 is an apocalyptic number.

It is an amenable number.

7431393 is a deficient number, since it is larger than the sum of its proper divisors (2477135).

7431393 is a wasteful number, since it uses less digits than its factorization.

7431393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477134.

The product of its digits is 6804, while the sum is 30.

The square root of 7431393 is about 2726.0581431804. The cubic root of 7431393 is about 195.1446920844.

The spelling of 7431393 in words is "seven million, four hundred thirty-one thousand, three hundred ninety-three".