72295339 has 8 divisors (see below), whose sum is σ = 77993280. Its totient is φ = 66758016.

The previous prime is 72295319. The next prime is 72295343. The reversal of 72295339 is 93359227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72295339 - 2¹³ = 72287147 is a prime.

It is a super-2 number, since 2×72295339² = 10453232082249842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72295319) 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, 39219 + ... + 41020.

It is an arithmetic number, because the mean of its divisors is an integer number (9749160).

Almost surely, 2^72295339 is an apocalyptic number.

72295339 is a deficient number, since it is larger than the sum of its proper divisors (5697941).

72295339 is a wasteful number, since it uses less digits than its factorization.

72295339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80309.

The product of its digits is 102060, while the sum is 40.

The square root of 72295339 is about 8502.6665817260. Note that the first 3 decimals coincide. The cubic root of 72295339 is about 416.5848125786.

The spelling of 72295339 in words is "seventy-two million, two hundred ninety-five thousand, three hundred thirty-nine".