72417755660073 has 16 divisors (see below), whose sum is σ = 97217177171520. Its totient is φ = 47948832347904.

The previous prime is 72417755660027. The next prime is 72417755660111. The reversal of 72417755660073 is 37006655771427.

It is not a de Polignac number, because 72417755660073 - 2¹⁰ = 72417755659049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72417755659989 and 72417755660016.

It is not an unprimeable number, because it can be changed into a prime (72417759660073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50971828 + ... + 52373301.

It is an arithmetic number, because the mean of its divisors is an integer number (6076073573220).

Almost surely, 2^{72417755660073} is an apocalyptic number.

It is an amenable number.

72417755660073 is a deficient number, since it is larger than the sum of its proper divisors (24799421511447).

72417755660073 is a wasteful number, since it uses less digits than its factorization.

72417755660073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103346728.

The product of its (nonzero) digits is 51861600, while the sum is 60.

The spelling of 72417755660073 in words is "seventy-two trillion, four hundred seventeen billion, seven hundred fifty-five million, six hundred sixty thousand, seventy-three".