72385855 has 8 divisors (see below), whose sum is σ = 87396912. Its totient is φ = 57552768.

The previous prime is 72385843. The next prime is 72385867. The reversal of 72385855 is 55858327.

It is an interprime number because it is at equal distance from previous prime (72385843) and next prime (72385867).

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 72385855 - 2⁹ = 72385343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43594 + ... + 45223.

It is an arithmetic number, because the mean of its divisors is an integer number (10924614).

Almost surely, 2^72385855 is an apocalyptic number.

72385855 is a deficient number, since it is larger than the sum of its proper divisors (15011057).

72385855 is a wasteful number, since it uses less digits than its factorization.

72385855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88985.

The product of its digits is 336000, while the sum is 43.

The square root of 72385855 is about 8507.9877174335. The cubic root of 72385855 is about 416.7585990925.

The spelling of 72385855 in words is "seventy-two million, three hundred eighty-five thousand, eight hundred fifty-five".