7172393 has 4 divisors (see below), whose sum is σ = 7181568. Its totient is φ = 7163220.

The previous prime is 7172387. The next prime is 7172411. The reversal of 7172393 is 3932717.

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.

It is a cyclic number.

It is not a de Polignac number, because 7172393 - 2¹² = 7168297 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7172383) 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, 3293 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (1795392).

Almost surely, 2^7172393 is an apocalyptic number.

It is an amenable number.

7172393 is a deficient number, since it is larger than the sum of its proper divisors (9175).

7172393 is an equidigital number, since it uses as much as digits as its factorization.

7172393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174.

The product of its digits is 7938, while the sum is 32.

The square root of 7172393 is about 2678.1323716351. The cubic root of 7172393 is about 192.8507620594.

The spelling of 7172393 in words is "seven million, one hundred seventy-two thousand, three hundred ninety-three".