72417103036664 has 64 divisors (see below), whose sum is σ = 147329292700800. Its totient is φ = 33239723812864.

The previous prime is 72417103036639. The next prime is 72417103036679. The reversal of 72417103036664 is 46663030171427.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17460479 + ... + 21206190.

It is an arithmetic number, because the mean of its divisors is an integer number (2302020198450).

Almost surely, 2^{72417103036664} is an apocalyptic number.

It is an amenable number.

72417103036664 is an abundant number, since it is smaller than the sum of its proper divisors (74912189664136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72417103036664 is a wasteful number, since it uses less digits than its factorization.

72417103036664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38667032 (or 38667028 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 72417103036664 in words is "seventy-two trillion, four hundred seventeen billion, one hundred three million, thirty-six thousand, six hundred sixty-four".