72340712599 has 16 divisors (see below), whose sum is σ = 75049269120. Its totient is φ = 69646752000.

The previous prime is 72340712593. The next prime is 72340712603. The reversal of 72340712599 is 99521704327.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72340712599 - 2⁵ = 72340712567 is a prime.

It is a super-2 number, since 2×72340712599² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72340712593) 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, 16833019 + ... + 16837315.

It is an arithmetic number, because the mean of its divisors is an integer number (4690579320).

Almost surely, 2^72340712599 is an apocalyptic number.

72340712599 is a deficient number, since it is larger than the sum of its proper divisors (2708556521).

72340712599 is a wasteful number, since it uses less digits than its factorization.

72340712599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 72340712599 in words is "seventy-two billion, three hundred forty million, seven hundred twelve thousand, five hundred ninety-nine".