72466066426 has 64 divisors (see below), whose sum is σ = 123101798400. Its totient is φ = 31762238400.

The previous prime is 72466066391. The next prime is 72466066459. The reversal of 72466066426 is 62466066427.

It is a self number, because there is not a number n which added to its sum of digits gives 72466066426.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38565355 + ... + 38567233.

It is an arithmetic number, because the mean of its divisors is an integer number (1923465600).

Almost surely, 2^72466066426 is an apocalyptic number.

72466066426 is a deficient number, since it is larger than the sum of its proper divisors (50635731974).

72466066426 is a wasteful number, since it uses less digits than its factorization.

72466066426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 3483648, while the sum is 49.

Subtracting from 72466066426 its reverse (62466066427), we obtain a palindrome (9999999999).

The spelling of 72466066426 in words is "seventy-two billion, four hundred sixty-six million, sixty-six thousand, four hundred twenty-six".