72346443 has 16 divisors (see below), whose sum is σ = 104055840. Its totient is φ = 44446464.

The previous prime is 72346429. The next prime is 72346451. The reversal of 72346443 is 34464327.

It is not a de Polignac number, because 72346443 - 2⁸ = 72346187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72346423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30405 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (6503490).

Almost surely, 2^72346443 is an apocalyptic number.

72346443 is a deficient number, since it is larger than the sum of its proper divisors (31709397).

72346443 is a wasteful number, since it uses less digits than its factorization.

72346443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118.

The product of its digits is 48384, while the sum is 33.

The square root of 72346443 is about 8505.6712257176. The cubic root of 72346443 is about 416.6829477016.

The spelling of 72346443 in words is "seventy-two million, three hundred forty-six thousand, four hundred forty-three".