72215495 has 16 divisors (see below), whose sum is σ = 94711680. Its totient is φ = 52423200.

The previous prime is 72215489. The next prime is 72215497. The reversal of 72215495 is 59451227.

It is not a de Polignac number, because 72215495 - 2⁶ = 72215431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72215497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43796 + ... + 45414.

It is an arithmetic number, because the mean of its divisors is an integer number (5919480).

Almost surely, 2^72215495 is an apocalyptic number.

72215495 is a deficient number, since it is larger than the sum of its proper divisors (22496185).

72215495 is a wasteful number, since it uses less digits than its factorization.

72215495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446.

The product of its digits is 25200, while the sum is 35.

The square root of 72215495 is about 8497.9700517241. The cubic root of 72215495 is about 416.4313953566.

The spelling of 72215495 in words is "seventy-two million, two hundred fifteen thousand, four hundred ninety-five".