72982682 has 4 divisors (see below), whose sum is σ = 109474026. Its totient is φ = 36491340.

The previous prime is 72982633. The next prime is 72982687. The reversal of 72982682 is 28628927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28628927 = 43 ⋅665789.

It can be written as a sum of positive squares in only one way, i.e., 47872561 + 25110121 = 6919^2 + 5011^2 .

It is not an unprimeable number, because it can be changed into a prime (72982687) 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 as a sum of consecutive naturals, namely, 18245669 + ... + 18245672.

Almost surely, 2^72982682 is an apocalyptic number.

72982682 is a deficient number, since it is larger than the sum of its proper divisors (36491344).

72982682 is a wasteful number, since it uses less digits than its factorization.

72982682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36491343.

The product of its digits is 193536, while the sum is 44.

The square root of 72982682 is about 8542.9902259104. The cubic root of 72982682 is about 417.9008678023.

The spelling of 72982682 in words is "seventy-two million, nine hundred eighty-two thousand, six hundred eighty-two".