72080315 has 4 divisors (see below), whose sum is σ = 86496384. Its totient is φ = 57664248.

The previous prime is 72080297. The next prime is 72080317. The reversal of 72080315 is 51308027.

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 72080315 - 2⁶ = 72080251 is a prime.

It is a super-3 number, since 3×72080315³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72080317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7208027 + ... + 7208036.

It is an arithmetic number, because the mean of its divisors is an integer number (21624096).

Almost surely, 2^72080315 is an apocalyptic number.

72080315 is a deficient number, since it is larger than the sum of its proper divisors (14416069).

72080315 is a wasteful number, since it uses less digits than its factorization.

72080315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416068.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 72080315 is about 8490.0126619458. The cubic root of 72080315 is about 416.1713941032.

The spelling of 72080315 in words is "seventy-two million, eighty thousand, three hundred fifteen".