72205595 has 16 divisors (see below), whose sum is σ = 108027648. Its totient is φ = 45011040.

The previous prime is 72205591. The next prime is 72205619. The reversal of 72205595 is 59550227.

It is not a de Polignac number, because 72205595 - 2² = 72205591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72205591) 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 15 ways as a sum of consecutive naturals, for example, 93389 + ... + 94158.

It is an arithmetic number, because the mean of its divisors is an integer number (6751728).

Almost surely, 2^72205595 is an apocalyptic number.

72205595 is a deficient number, since it is larger than the sum of its proper divisors (35822053).

72205595 is a wasteful number, since it uses less digits than its factorization.

72205595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187570.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 72205595 is about 8497.3875397089. The cubic root of 72205595 is about 416.4123650029.

The spelling of 72205595 in words is "seventy-two million, two hundred five thousand, five hundred ninety-five".