72322343 has 4 divisors (see below), whose sum is σ = 72344400. Its totient is φ = 72300288.

The previous prime is 72322337. The next prime is 72322357. The reversal of 72322343 is 34322327.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72322343 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 (72322043) 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, 5018 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (18086100).

Almost surely, 2^72322343 is an apocalyptic number.

72322343 is a deficient number, since it is larger than the sum of its proper divisors (22057).

72322343 is a wasteful number, since it uses less digits than its factorization.

72322343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22056.

The product of its digits is 6048, while the sum is 26.

The square root of 72322343 is about 8504.2544058842. The cubic root of 72322343 is about 416.6366741789.

The spelling of 72322343 in words is "seventy-two million, three hundred twenty-two thousand, three hundred forty-three".