72755282 has 4 divisors (see below), whose sum is σ = 109132926. Its totient is φ = 36377640.

The previous prime is 72755281. The next prime is 72755317. The reversal of 72755282 is 28255727.

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

It can be written as a sum of positive squares in only one way, i.e., 69072721 + 3682561 = 8311^2 + 1919^2 .

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18188819 + ... + 18188822.

Almost surely, 2^72755282 is an apocalyptic number.

72755282 is a deficient number, since it is larger than the sum of its proper divisors (36377644).

72755282 is a wasteful number, since it uses less digits than its factorization.

72755282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36377643.

The product of its digits is 78400, while the sum is 38.

The square root of 72755282 is about 8529.6706853196. The cubic root of 72755282 is about 417.4663833236.

It can be divided in two parts, 72755 and 282, that added together give a palindrome (73037).

The spelling of 72755282 in words is "seventy-two million, seven hundred fifty-five thousand, two hundred eighty-two".