72559334 has 16 divisors (see below), whose sum is σ = 113598720. Its totient is φ = 34715520.

The previous prime is 72559327. The next prime is 72559339. The reversal of 72559334 is 43395527.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72559339) 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 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (7099920).

Almost surely, 2^72559334 is an apocalyptic number.

72559334 is a deficient number, since it is larger than the sum of its proper divisors (41039386).

72559334 is a wasteful number, since it uses less digits than its factorization.

72559334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215.

The product of its digits is 113400, while the sum is 38.

The square root of 72559334 is about 8518.1766828354. The cubic root of 72559334 is about 417.0912662273.

The spelling of 72559334 in words is "seventy-two million, five hundred fifty-nine thousand, three hundred thirty-four".