72255795 has 8 divisors (see below), whose sum is σ = 115609296. Its totient is φ = 38536416.

The previous prime is 72255769. The next prime is 72255847. The reversal of 72255795 is 59755227.

It is a happy number.

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

It is not a de Polignac number, because 72255795 - 2⁶ = 72255731 is a prime.

It is a super-2 number, since 2×72255795² = 10441799822164050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408512 + ... + 2408541.

It is an arithmetic number, because the mean of its divisors is an integer number (14451162).

Almost surely, 2^72255795 is an apocalyptic number.

72255795 is a deficient number, since it is larger than the sum of its proper divisors (43353501).

72255795 is a wasteful number, since it uses less digits than its factorization.

72255795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817061.

The product of its digits is 220500, while the sum is 42.

The square root of 72255795 is about 8500.3408755179. The cubic root of 72255795 is about 416.5088444064.

The spelling of 72255795 in words is "seventy-two million, two hundred fifty-five thousand, seven hundred ninety-five".