72750234 has 16 divisors (see below), whose sum is σ = 145627488. Its totient is φ = 24228912.

The previous prime is 72750203. The next prime is 72750269. The reversal of 72750234 is 43205727.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3204 + ... + 12480.

It is an arithmetic number, because the mean of its divisors is an integer number (9101718).

Almost surely, 2^72750234 is an apocalyptic number.

72750234 is an abundant number, since it is smaller than the sum of its proper divisors (72877254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72750234 is a wasteful number, since it uses less digits than its factorization.

72750234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 72750234 is about 8529.3747719279. The cubic root of 72750234 is about 417.4567280382.

The spelling of 72750234 in words is "seventy-two million, seven hundred fifty thousand, two hundred thirty-four".