72434243 has 8 divisors (see below), whose sum is σ = 83515488. Its totient is φ = 61536384.

The previous prime is 72434239. The next prime is 72434279. The reversal of 72434243 is 34243427.

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

It is not a de Polignac number, because 72434243 - 2² = 72434239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72434233) 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, 44996 + ... + 46577.

It is an arithmetic number, because the mean of its divisors is an integer number (10439436).

Almost surely, 2^72434243 is an apocalyptic number.

72434243 is a deficient number, since it is larger than the sum of its proper divisors (11081245).

72434243 is a wasteful number, since it uses less digits than its factorization.

72434243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91693.

The product of its digits is 16128, while the sum is 29.

The square root of 72434243 is about 8510.8309230063. The cubic root of 72434243 is about 416.8514423847.

It can be divided in two parts, 7243424 and 3, that added together give a palindrome (7243427).

The spelling of 72434243 in words is "seventy-two million, four hundred thirty-four thousand, two hundred forty-three".