72568115 has 4 divisors (see below), whose sum is σ = 87081744. Its totient is φ = 58054488.

The previous prime is 72568099. The next prime is 72568127. The reversal of 72568115 is 51186527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72568115 - 2⁴ = 72568099 is a prime.

It is a super-2 number, since 2×72568115² = 10532262629306450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7256807 + ... + 7256816.

It is an arithmetic number, because the mean of its divisors is an integer number (21770436).

Almost surely, 2^72568115 is an apocalyptic number.

72568115 is a deficient number, since it is larger than the sum of its proper divisors (14513629).

72568115 is a wasteful number, since it uses less digits than its factorization.

72568115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513628.

The product of its digits is 16800, while the sum is 35.

The square root of 72568115 is about 8518.6920944474. The cubic root of 72568115 is about 417.1080907601.

The spelling of 72568115 in words is "seventy-two million, five hundred sixty-eight thousand, one hundred fifteen".