72384871 has 8 divisors (see below), whose sum is σ = 78135120. Its totient is φ = 66660672.

The previous prime is 72384869. The next prime is 72384883. The reversal of 72384871 is 17848327.

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

It is not a de Polignac number, because 72384871 - 2¹ = 72384869 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 (72384971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (9766890).

Almost surely, 2^72384871 is an apocalyptic number.

72384871 is a deficient number, since it is larger than the sum of its proper divisors (5750249).

72384871 is a wasteful number, since it uses less digits than its factorization.

72384871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025.

The product of its digits is 75264, while the sum is 40.

The square root of 72384871 is about 8507.9298892269. The cubic root of 72384871 is about 416.7567106374.

The spelling of 72384871 in words is "seventy-two million, three hundred eighty-four thousand, eight hundred seventy-one".