72964476472 has 32 divisors (see below), whose sum is σ = 139145400000. Its totient is φ = 35863072128.

The previous prime is 72964476467. The next prime is 72964476509. The reversal of 72964476472 is 27467446927.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 107347 + ... + 396802.

It is an arithmetic number, because the mean of its divisors is an integer number (4348293750).

Almost surely, 2^72964476472 is an apocalyptic number.

It is an amenable number.

72964476472 is a deficient number, since it is larger than the sum of its proper divisors (66180923528).

72964476472 is a wasteful number, since it uses less digits than its factorization.

72964476472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504463 (or 504459 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 58.

The spelling of 72964476472 in words is "seventy-two billion, nine hundred sixty-four million, four hundred seventy-six thousand, four hundred seventy-two".