72386423 has 4 divisors (see below), whose sum is σ = 72404160. Its totient is φ = 72368688.

The previous prime is 72386399. The next prime is 72386429. The reversal of 72386423 is 32468327.

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

It is a cyclic number.

It is not a de Polignac number, because 72386423 - 2¹⁶ = 72320887 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 (72386429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (18101040).

Almost surely, 2^72386423 is an apocalyptic number.

72386423 is a deficient number, since it is larger than the sum of its proper divisors (17737).

72386423 is a wasteful number, since it uses less digits than its factorization.

72386423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17736.

The product of its digits is 48384, while the sum is 35.

The square root of 72386423 is about 8508.0210977642. The cubic root of 72386423 is about 416.7596891686.

The spelling of 72386423 in words is "seventy-two million, three hundred eighty-six thousand, four hundred twenty-three".