7143479 has 8 divisors (see below), whose sum is σ = 8384928. Its totient is φ = 5957280.

The previous prime is 7143469. The next prime is 7143491. The reversal of 7143479 is 9743417.

7143479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7143479 - 2⁸ = 7143223 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 (7143419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13532 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (1048116).

Almost surely, 2^7143479 is an apocalyptic number.

7143479 is a deficient number, since it is larger than the sum of its proper divisors (1241449).

7143479 is a wasteful number, since it uses less digits than its factorization.

7143479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27625.

The product of its digits is 21168, while the sum is 35.

The square root of 7143479 is about 2672.7287554108. The cubic root of 7143479 is about 192.5912672296.

The spelling of 7143479 in words is "seven million, one hundred forty-three thousand, four hundred seventy-nine".