72337465617 has 8 divisors (see below), whose sum is σ = 96452692224. Its totient is φ = 48223608048.

The previous prime is 72337465591. The next prime is 72337465621. The reversal of 72337465617 is 71656473327.

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

It is not a de Polignac number, because 72337465617 - 2¹⁶ = 72337400081 is a prime.

It is a super-3 number, since 3×72337465617³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 72337465617.

It is not an unprimeable number, because it can be changed into a prime (72337465687) 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, 211873 + ... + 435390.

It is an arithmetic number, because the mean of its divisors is an integer number (12056586528).

Almost surely, 2^72337465617 is an apocalyptic number.

It is an amenable number.

72337465617 is a deficient number, since it is larger than the sum of its proper divisors (24115226607).

72337465617 is a wasteful number, since it uses less digits than its factorization.

72337465617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684519.

The product of its digits is 4445280, while the sum is 51.

The spelling of 72337465617 in words is "seventy-two billion, three hundred thirty-seven million, four hundred sixty-five thousand, six hundred seventeen".