72049255 has 4 divisors (see below), whose sum is σ = 86459112. Its totient is φ = 57639400.

The previous prime is 72049223. The next prime is 72049279. The reversal of 72049255 is 55294027.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72049255 - 2⁵ = 72049223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72049255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7204921 + ... + 7204930.

It is an arithmetic number, because the mean of its divisors is an integer number (21614778).

Almost surely, 2^72049255 is an apocalyptic number.

72049255 is a deficient number, since it is larger than the sum of its proper divisors (14409857).

72049255 is a wasteful number, since it uses less digits than its factorization.

72049255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14409856.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 72049255 is about 8488.1832567399. The cubic root of 72049255 is about 416.1116082906. Note that the first 3 decimals are identical.

The spelling of 72049255 in words is "seventy-two million, forty-nine thousand, two hundred fifty-five".