72865201 has 8 divisors (see below), whose sum is σ = 73609344. Its totient is φ = 72124800.

The previous prime is 72865193. The next prime is 72865211. The reversal of 72865201 is 10256827.

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 72865201 - 2³ = 72865193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72865211) 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, 52620 + ... + 53986.

It is an arithmetic number, because the mean of its divisors is an integer number (9201168).

Almost surely, 2^72865201 is an apocalyptic number.

It is an amenable number.

72865201 is a deficient number, since it is larger than the sum of its proper divisors (744143).

72865201 is a wasteful number, since it uses less digits than its factorization.

72865201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 72865201 is about 8536.1115854937. Note that the first 3 decimals coincide. The cubic root of 72865201 is about 417.6765142195.

The spelling of 72865201 in words is "seventy-two million, eight hundred sixty-five thousand, two hundred one".