72314171 has 4 divisors (see below), whose sum is σ = 76120200. Its totient is φ = 68508144.

The previous prime is 72314167. The next prime is 72314183. The reversal of 72314171 is 17141327.

It is a happy number.

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 72314171 - 2² = 72314167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72314171.

It is not an unprimeable number, because it can be changed into a prime (72314111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902986 + ... + 1903023.

It is an arithmetic number, because the mean of its divisors is an integer number (19030050).

Almost surely, 2^72314171 is an apocalyptic number.

72314171 is a deficient number, since it is larger than the sum of its proper divisors (3806029).

72314171 is a wasteful number, since it uses less digits than its factorization.

72314171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806028.

The product of its digits is 1176, while the sum is 26.

The square root of 72314171 is about 8503.7739269103. The cubic root of 72314171 is about 416.6209810887.

Adding to 72314171 its reverse (17141327), we get a palindrome (89455498).

The spelling of 72314171 in words is "seventy-two million, three hundred fourteen thousand, one hundred seventy-one".