72168343 has 8 divisors (see below), whose sum is σ = 77831600. Its totient is φ = 66521088.

The previous prime is 72168337. The next prime is 72168353. The reversal of 72168343 is 34386127.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72168343 - 2¹⁷ = 72037271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72168299 and 72168308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72168353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6388 + ... + 13606.

It is an arithmetic number, because the mean of its divisors is an integer number (9728950).

Almost surely, 2^72168343 is an apocalyptic number.

72168343 is a deficient number, since it is larger than the sum of its proper divisors (5663257).

72168343 is a wasteful number, since it uses less digits than its factorization.

72168343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001.

The product of its digits is 24192, while the sum is 34.

The square root of 72168343 is about 8495.1952891031. The cubic root of 72168343 is about 416.3407414589.

The spelling of 72168343 in words is "seventy-two million, one hundred sixty-eight thousand, three hundred forty-three".