7143494 has 4 divisors (see below), whose sum is σ = 10715244. Its totient is φ = 3571746.

The previous prime is 7143491. The next prime is 7143517. The reversal of 7143494 is 4943417.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7143494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785872 + ... + 1785875.

It is an arithmetic number, because the mean of its divisors is an integer number (2678811).

Almost surely, 2^7143494 is an apocalyptic number.

7143494 is a deficient number, since it is larger than the sum of its proper divisors (3571750).

7143494 is a wasteful number, since it uses less digits than its factorization.

7143494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571749.

The product of its digits is 12096, while the sum is 32.

The square root of 7143494 is about 2672.7315615303. The cubic root of 7143494 is about 192.5914020317.

The spelling of 7143494 in words is "seven million, one hundred forty-three thousand, four hundred ninety-four".