72323799 has 16 divisors (see below), whose sum is σ = 101197824. Its totient is φ = 45856800.

The previous prime is 72323773. The next prime is 72323851. The reversal of 72323799 is 99732327.

It is not a de Polignac number, because 72323799 - 2¹⁵ = 72291031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72323799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72323759) 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, 9594 + ... + 15384.

It is an arithmetic number, because the mean of its divisors is an integer number (6324864).

Almost surely, 2^72323799 is an apocalyptic number.

72323799 is a deficient number, since it is larger than the sum of its proper divisors (28874025).

72323799 is a wasteful number, since it uses less digits than its factorization.

72323799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998.

The product of its digits is 142884, while the sum is 42.

The square root of 72323799 is about 8504.3400096657. The cubic root of 72323799 is about 416.6394700826.

The spelling of 72323799 in words is "seventy-two million, three hundred twenty-three thousand, seven hundred ninety-nine".