7172449 has 4 divisors (see below), whose sum is σ = 7236036. Its totient is φ = 7108864.

The previous prime is 7172447. The next prime is 7172467. The reversal of 7172449 is 9442717.

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

It can be written as a sum of positive squares in 2 ways, for example, as 705600 + 6466849 = 840^2 + 2543^2 .

It is a cyclic number.

It is not a de Polignac number, because 7172449 - 2¹ = 7172447 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 (7172447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31624 + ... + 31849.

It is an arithmetic number, because the mean of its divisors is an integer number (1809009).

Almost surely, 2^7172449 is an apocalyptic number.

It is an amenable number.

7172449 is a deficient number, since it is larger than the sum of its proper divisors (63587).

7172449 is a wasteful number, since it uses less digits than its factorization.

7172449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63586.

The product of its digits is 14112, while the sum is 34.

The square root of 7172449 is about 2678.1428266618. The cubic root of 7172449 is about 192.8512639661.

The spelling of 7172449 in words is "seven million, one hundred seventy-two thousand, four hundred forty-nine".