72518205 has 16 divisors (see below), whose sum is σ = 116282880. Its totient is φ = 38591808.

The previous prime is 72518191. The next prime is 72518213. The reversal of 72518205 is 50281527.

It is not a de Polignac number, because 72518205 - 2¹² = 72514109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139 + ... + 12231.

It is an arithmetic number, because the mean of its divisors is an integer number (7267680).

Almost surely, 2^72518205 is an apocalyptic number.

It is an amenable number.

72518205 is a deficient number, since it is larger than the sum of its proper divisors (43764675).

72518205 is a wasteful number, since it uses less digits than its factorization.

72518205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 72518205 is about 8515.7621502717. The cubic root of 72518205 is about 417.0124443491.

The spelling of 72518205 in words is "seventy-two million, five hundred eighteen thousand, two hundred five".