73728417659 has 8 divisors (see below), whose sum is σ = 79502561712. Its totient is φ = 67968948960.

The previous prime is 73728417571. The next prime is 73728417673. The reversal of 73728417659 is 95671482737.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73728417659 - 2²⁰ = 73727369083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73728417598 and 73728417607.

It is not an unprimeable number, because it can be changed into a prime (73728437659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658397 + ... + 3678494.

It is an arithmetic number, because the mean of its divisors is an integer number (9937820214).

Almost surely, 2^73728417659 is an apocalyptic number.

73728417659 is a deficient number, since it is larger than the sum of its proper divisors (5774144053).

73728417659 is a wasteful number, since it uses less digits than its factorization.

73728417659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337677.

The product of its digits is 17781120, while the sum is 59.

The spelling of 73728417659 in words is "seventy-three billion, seven hundred twenty-eight million, four hundred seventeen thousand, six hundred fifty-nine".