72264117 has 8 divisors (see below), whose sum is σ = 96966496. Its totient is φ = 47868912.

The previous prime is 72264109. The next prime is 72264119. The reversal of 72264117 is 71146227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72264117 - 2³ = 72264109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72264119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76243 + ... + 77184.

It is an arithmetic number, because the mean of its divisors is an integer number (12120812).

Almost surely, 2^72264117 is an apocalyptic number.

It is an amenable number.

72264117 is a deficient number, since it is larger than the sum of its proper divisors (24702379).

72264117 is a wasteful number, since it uses less digits than its factorization.

72264117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153587.

The product of its digits is 4704, while the sum is 30.

The square root of 72264117 is about 8500.8303712049. The cubic root of 72264117 is about 416.5248341437.

The spelling of 72264117 in words is "seventy-two million, two hundred sixty-four thousand, one hundred seventeen".