72481089370 has 16 divisors (see below), whose sum is σ = 130475346120. Its totient is φ = 28990350144.

The previous prime is 72481089341. The next prime is 72481089377. The reversal of 72481089370 is 7398018427.

It can be written as a sum of positive squares in 4 ways, for example, as 9198152649 + 63282936721 = 95907^2 + 251561^2 .

It is not an unprimeable number, because it can be changed into a prime (72481089377) 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 7 ways as a sum of consecutive naturals, for example, 110625 + ... + 396484.

Almost surely, 2^72481089370 is an apocalyptic number.

72481089370 is a deficient number, since it is larger than the sum of its proper divisors (57994256750).

72481089370 is a wasteful number, since it uses less digits than its factorization.

72481089370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521409.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 72481089370 in words is "seventy-two billion, four hundred eighty-one million, eighty-nine thousand, three hundred seventy".