7143472 has 20 divisors (see below), whose sum is σ = 15817936. Its totient is φ = 3061440.

The previous prime is 7143469. The next prime is 7143491. The reversal of 7143472 is 2743417.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 7143472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31779 + ... + 32002.

Almost surely, 2^7143472 is an apocalyptic number.

It is an amenable number.

7143472 is an abundant number, since it is smaller than the sum of its proper divisors (8674464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7143472 is a wasteful number, since it uses less digits than its factorization.

7143472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63796 (or 63790 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 7143472 is about 2672.7274458874. The cubic root of 7143472 is about 192.5912043219.

Adding to 7143472 its reverse (2743417), we get a palindrome (9886889).

It can be divided in two parts, 714 and 3472, that added together give a triangular number (4186 = T₉₁).

The spelling of 7143472 in words is "seven million, one hundred forty-three thousand, four hundred seventy-two".