7443172 has 24 divisors (see below), whose sum is σ = 14323680. Its totient is φ = 3356160.

The previous prime is 7443167. The next prime is 7443173. The reversal of 7443172 is 2713447.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 7² + 4⁸ + 4¹⁰ + 3¹² + 1 + 7⁸ + 2¹⁵ .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7443172.

It is not an unprimeable number, because it can be changed into a prime (7443173) 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 7 ways as a sum of consecutive naturals, for example, 5508 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (596820).

Almost surely, 2^7443172 is an apocalyptic number.

It is an amenable number.

7443172 is a deficient number, since it is larger than the sum of its proper divisors (6880508).

7443172 is a wasteful number, since it uses less digits than its factorization.

7443172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1369 counting only the distinct ones).

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

The square root of 7443172 is about 2728.2177332464. The cubic root of 7443172 is about 195.2477412229.

It can be divided in two parts, 744 and 3172, that added together give a triangular number (3916 = T₈₈).

The spelling of 7443172 in words is "seven million, four hundred forty-three thousand, one hundred seventy-two".