7172733 has 4 divisors (see below), whose sum is σ = 9563648. Its totient is φ = 4781820.

The previous prime is 7172731. The next prime is 7172791. The reversal of 7172733 is 3372717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3372717 = 3 ⋅1124239.

It is not a de Polignac number, because 7172733 - 2¹ = 7172731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7172733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7172731) 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, 1195453 + ... + 1195458.

It is an arithmetic number, because the mean of its divisors is an integer number (2390912).

Almost surely, 2^7172733 is an apocalyptic number.

It is an amenable number.

7172733 is a deficient number, since it is larger than the sum of its proper divisors (2390915).

7172733 is a wasteful number, since it uses less digits than its factorization.

7172733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390914.

The product of its digits is 6174, while the sum is 30.

The square root of 7172733 is about 2678.1958479544. The cubic root of 7172733 is about 192.8538093094.

The spelling of 7172733 in words is "seven million, one hundred seventy-two thousand, seven hundred thirty-three".