72058205 has 4 divisors (see below), whose sum is σ = 86469852. Its totient is φ = 57646560.

The previous prime is 72058201. The next prime is 72058219. The reversal of 72058205 is 50285027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50285027 = 13 ⋅3868079.

It can be written as a sum of positive squares in 2 ways, for example, as 56957209 + 15100996 = 7547^2 + 3886^2 .

It is not a de Polignac number, because 72058205 - 2² = 72058201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72058201) by changing a digit.

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, 7205816 + ... + 7205825.

It is an arithmetic number, because the mean of its divisors is an integer number (21617463).

Almost surely, 2^72058205 is an apocalyptic number.

It is an amenable number.

72058205 is a deficient number, since it is larger than the sum of its proper divisors (14411647).

72058205 is a wasteful number, since it uses less digits than its factorization.

72058205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14411646.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 72058205 is about 8488.7104438778. The cubic root of 72058205 is about 416.1288374518.

The spelling of 72058205 in words is "seventy-two million, fifty-eight thousand, two hundred five".