72785085 has 8 divisors (see below), whose sum is σ = 116456160. Its totient is φ = 38818704.

The previous prime is 72785051. The next prime is 72785101. The reversal of 72785085 is 58058727.

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 72785085 - 2⁶ = 72785021 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 2426155 + ... + 2426184.

It is an arithmetic number, because the mean of its divisors is an integer number (14557020).

Almost surely, 2^72785085 is an apocalyptic number.

It is an amenable number.

72785085 is a deficient number, since it is larger than the sum of its proper divisors (43671075).

72785085 is a wasteful number, since it uses less digits than its factorization.

72785085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852347.

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 72785085 is about 8531.4175258277. The cubic root of 72785085 is about 417.5233782790.

The spelling of 72785085 in words is "seventy-two million, seven hundred eighty-five thousand, eighty-five".