72302999 has 8 divisors (see below), whose sum is σ = 76202880. Its totient is φ = 68412600.

The previous prime is 72302987. The next prime is 72303001. The reversal of 72302999 is 99920327.

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 72302999 - 2²⁴ = 55525783 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 (72302939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17744 + ... + 21434.

It is an arithmetic number, because the mean of its divisors is an integer number (9525360).

Almost surely, 2^72302999 is an apocalyptic number.

72302999 is a deficient number, since it is larger than the sum of its proper divisors (3899881).

72302999 is a wasteful number, since it uses less digits than its factorization.

72302999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 72302999 is about 8503.1170167180. The cubic root of 72302999 is about 416.5995250392.

The spelling of 72302999 in words is "seventy-two million, three hundred two thousand, nine hundred ninety-nine".