72318363 has 8 divisors (see below), whose sum is σ = 103841808. Its totient is φ = 44503584.

The previous prime is 72318353. The next prime is 72318377. The reversal of 72318363 is 36381327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72318363 - 2⁴ = 72318347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72318343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927120 + ... + 927197.

It is an arithmetic number, because the mean of its divisors is an integer number (12980226).

Almost surely, 2^72318363 is an apocalyptic number.

72318363 is a deficient number, since it is larger than the sum of its proper divisors (31523445).

72318363 is a wasteful number, since it uses less digits than its factorization.

72318363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854333.

The product of its digits is 18144, while the sum is 33.

The square root of 72318363 is about 8504.0204021392. The cubic root of 72318363 is about 416.6290313385.

The spelling of 72318363 in words is "seventy-two million, three hundred eighteen thousand, three hundred sixty-three".