72544126 has 8 divisors (see below), whose sum is σ = 108917640. Its totient is φ = 36238248.

The previous prime is 72544111. The next prime is 72544127. The reversal of 72544126 is 62144527.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72544127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14136 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (13614705).

Almost surely, 2^72544126 is an apocalyptic number.

72544126 is a deficient number, since it is larger than the sum of its proper divisors (36373514).

72544126 is a wasteful number, since it uses less digits than its factorization.

72544126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33818.

The product of its digits is 13440, while the sum is 31.

The square root of 72544126 is about 8517.2839567552. The cubic root of 72544126 is about 417.0621242510.

The spelling of 72544126 in words is "seventy-two million, five hundred forty-four thousand, one hundred twenty-six".