72467881018 has 16 divisors (see below), whose sum is σ = 117905689440. Its totient is φ = 33206088816.

The previous prime is 72467880997. The next prime is 72467881063. The reversal of 72467881018 is 81018876427.

It is an unprimeable number.

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, 10022380 + ... + 10029607.

It is an arithmetic number, because the mean of its divisors is an integer number (7369105590).

Almost surely, 2^72467881018 is an apocalyptic number.

72467881018 is a deficient number, since it is larger than the sum of its proper divisors (45437808422).

72467881018 is a wasteful number, since it uses less digits than its factorization.

72467881018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20052141.

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 72467881018 in words is "seventy-two billion, four hundred sixty-seven million, eight hundred eighty-one thousand, eighteen".