72755283 has 8 divisors (see below), whose sum is σ = 99629008. Its totient is φ = 47192544.

The previous prime is 72755281. The next prime is 72755317. The reversal of 72755283 is 38255727.

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

It is not a de Polignac number, because 72755283 - 2¹ = 72755281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72755281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327616 + ... + 327837.

It is an arithmetic number, because the mean of its divisors is an integer number (12453626).

Almost surely, 2^72755283 is an apocalyptic number.

72755283 is a deficient number, since it is larger than the sum of its proper divisors (26873725).

72755283 is a wasteful number, since it uses less digits than its factorization.

72755283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655493.

The product of its digits is 117600, while the sum is 39.

The square root of 72755283 is about 8529.6707439385. The cubic root of 72755283 is about 417.4663852363.

The spelling of 72755283 in words is "seventy-two million, seven hundred fifty-five thousand, two hundred eighty-three".