82073650 has 12 divisors (see below), whose sum is σ = 152657082. Its totient is φ = 32829440.

The previous prime is 82073639. The next prime is 82073689. The reversal of 82073650 is 5637028.

It can be written as a sum of positive squares in 3 ways, for example, as 43546801 + 38526849 = 6599^2 + 6207^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 820687 + ... + 820786.

Almost surely, 2^82073650 is an apocalyptic number.

82073650 is a deficient number, since it is larger than the sum of its proper divisors (70583432).

82073650 is a wasteful number, since it uses less digits than its factorization.

82073650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641485 (or 1641480 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 82073650 is about 9059.4508663605. The cubic root of 82073650 is about 434.5781791919.

The spelling of 82073650 in words is "eighty-two million, seventy-three thousand, six hundred fifty".