72443343 has 8 divisors (see below), whose sum is σ = 110389888. Its totient is φ = 41396184.

The previous prime is 72443339. The next prime is 72443377. The reversal of 72443343 is 34334427.

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

It is not a de Polignac number, because 72443343 - 2² = 72443339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72443343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72443303) 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, 1724821 + ... + 1724862.

It is an arithmetic number, because the mean of its divisors is an integer number (13798736).

Almost surely, 2^72443343 is an apocalyptic number.

72443343 is a deficient number, since it is larger than the sum of its proper divisors (37946545).

72443343 is a wasteful number, since it uses less digits than its factorization.

72443343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449693.

The product of its digits is 24192, while the sum is 30.

The square root of 72443343 is about 8511.3655191162. The cubic root of 72443343 is about 416.8688981677.

The spelling of 72443343 in words is "seventy-two million, four hundred forty-three thousand, three hundred forty-three".