72294843 has 6 divisors (see below), whose sum is σ = 96412764. Its totient is φ = 48186744.

The previous prime is 72294841. The next prime is 72294847. The reversal of 72294843 is 34849227.

It is not a de Polignac number, because 72294843 - 2¹ = 72294841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72294841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12273 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (16068794).

Almost surely, 2^72294843 is an apocalyptic number.

72294843 is a deficient number, since it is larger than the sum of its proper divisors (24117921).

72294843 is an frugal number, since it uses more digits than its factorization.

72294843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9821 (or 4912 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 72294843 is about 8502.6374143556. The cubic root of 72294843 is about 416.5838598822.

It can be divided in two parts, 72294 and 843, that added together give a palindrome (73137).

The spelling of 72294843 in words is "seventy-two million, two hundred ninety-four thousand, eight hundred forty-three".