72544210090 has 16 divisors (see below), whose sum is σ = 142450449120. Its totient is φ = 26379712720.

The previous prime is 72544210069. The next prime is 72544210091. The reversal of 72544210090 is 9001244527.

It is not an unprimeable number, because it can be changed into a prime (72544210091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329746300 + ... + 329746519.

It is an arithmetic number, because the mean of its divisors is an integer number (8903153070).

Almost surely, 2^72544210090 is an apocalyptic number.

72544210090 is a deficient number, since it is larger than the sum of its proper divisors (69906239030).

72544210090 is a wasteful number, since it uses less digits than its factorization.

72544210090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659492837.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 72544210090 in words is "seventy-two billion, five hundred forty-four million, two hundred ten thousand, ninety".