72324107399 has 2 divisors, whose sum is σ = 72324107400. Its totient is φ = 72324107398.

The previous prime is 72324107357. The next prime is 72324107473. The reversal of 72324107399 is 99370142327.

It is a weak prime.

It is an emirp because it is prime and its reverse (99370142327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72324107399 - 2¹² = 72324103303 is a prime.

It is a super-2 number, since 2×72324107399² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72324107309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36162053699 + 36162053700.

It is an arithmetic number, because the mean of its divisors is an integer number (36162053700).

Almost surely, 2^72324107399 is an apocalyptic number.

72324107399 is a deficient number, since it is larger than the sum of its proper divisors (1).

72324107399 is an equidigital number, since it uses as much as digits as its factorization.

72324107399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 72324107399 in words is "seventy-two billion, three hundred twenty-four million, one hundred seven thousand, three hundred ninety-nine".