72283682 has 4 divisors (see below), whose sum is σ = 108425526. Its totient is φ = 36141840.

The previous prime is 72283667. The next prime is 72283691. The reversal of 72283682 is 28638227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28638227 = 947 ⋅30241.

It can be written as a sum of positive squares in only one way, i.e., 57775201 + 14508481 = 7601^2 + 3809^2 .

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 as a sum of consecutive naturals, namely, 18070919 + ... + 18070922.

Almost surely, 2^72283682 is an apocalyptic number.

72283682 is a deficient number, since it is larger than the sum of its proper divisors (36141844).

72283682 is a wasteful number, since it uses less digits than its factorization.

72283682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36141843.

The product of its digits is 64512, while the sum is 38.

The square root of 72283682 is about 8501.9810632581. The cubic root of 72283682 is about 416.5624211388.

The spelling of 72283682 in words is "seventy-two million, two hundred eighty-three thousand, six hundred eighty-two".