72723098369 has 8 divisors (see below), whose sum is σ = 75072260352. Its totient is φ = 70374139920.

The previous prime is 72723098353. The next prime is 72723098381. The reversal of 72723098369 is 96389032727.

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 72723098369 - 2⁴ = 72723098353 is a prime.

It is a super-2 number, since 2×72723098369² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72723098309) 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, 1061807 + ... + 1128219.

It is an arithmetic number, because the mean of its divisors is an integer number (9384032544).

Almost surely, 2^72723098369 is an apocalyptic number.

It is an amenable number.

72723098369 is a deficient number, since it is larger than the sum of its proper divisors (2349161983).

72723098369 is a wasteful number, since it uses less digits than its factorization.

72723098369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101767.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 72723098369 in words is "seventy-two billion, seven hundred twenty-three million, ninety-eight thousand, three hundred sixty-nine".