72287265 has 8 divisors (see below), whose sum is σ = 115659648. Its totient is φ = 38553200.

The previous prime is 72287261. The next prime is 72287287. The reversal of 72287265 is 56278227.

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

It is not a de Polignac number, because 72287265 - 2² = 72287261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72287261) 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, 2409561 + ... + 2409590.

It is an arithmetic number, because the mean of its divisors is an integer number (14457456).

Almost surely, 2^72287265 is an apocalyptic number.

It is an amenable number.

72287265 is a deficient number, since it is larger than the sum of its proper divisors (43372383).

72287265 is a wasteful number, since it uses less digits than its factorization.

72287265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819159.

The product of its digits is 94080, while the sum is 39.

The square root of 72287265 is about 8502.1917762422. The cubic root of 72287265 is about 416.5693038287.

The spelling of 72287265 in words is "seventy-two million, two hundred eighty-seven thousand, two hundred sixty-five".