72207105 has 16 divisors (see below), whose sum is σ = 118219200. Its totient is φ = 37614528.

The previous prime is 72207077. The next prime is 72207119. The reversal of 72207105 is 50170227.

It is not a de Polignac number, because 72207105 - 2¹⁰ = 72206081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55330 + ... + 56619.

It is an arithmetic number, because the mean of its divisors is an integer number (7388700).

Almost surely, 2^72207105 is an apocalyptic number.

It is an amenable number.

72207105 is a deficient number, since it is larger than the sum of its proper divisors (46012095).

72207105 is a wasteful number, since it uses less digits than its factorization.

72207105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112000.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 72207105 is about 8497.4763900819. The cubic root of 72207105 is about 416.4152677249.

The spelling of 72207105 in words is "seventy-two million, two hundred seven thousand, one hundred five".