72433779599 has 8 divisors (see below), whose sum is σ = 72543771888. Its totient is φ = 72323858880.

The previous prime is 72433779589. The next prime is 72433779617. The reversal of 72433779599 is 99597733427.

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 72433779599 - 2³⁶ = 3714302863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72433779559) 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, 2214764 + ... + 2247230.

It is an arithmetic number, because the mean of its divisors is an integer number (9067971486).

Almost surely, 2^72433779599 is an apocalyptic number.

72433779599 is a deficient number, since it is larger than the sum of its proper divisors (109992289).

72433779599 is a wasteful number, since it uses less digits than its factorization.

72433779599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35785.

The product of its digits is 90016920, while the sum is 65.

The spelling of 72433779599 in words is "seventy-two billion, four hundred thirty-three million, seven hundred seventy-nine thousand, five hundred ninety-nine".