82555742 has 8 divisors (see below), whose sum is σ = 123903000. Its totient is φ = 41254744.

The previous prime is 82555709. The next prime is 82555771. The reversal of 82555742 is 24755528.

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

It is a junction number, because it is equal to n+sod(n) for n = 82555696 and 82555705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6692 + ... + 14487.

It is an arithmetic number, because the mean of its divisors is an integer number (15487875).

Almost surely, 2^82555742 is an apocalyptic number.

82555742 is a deficient number, since it is larger than the sum of its proper divisors (41347258).

82555742 is a wasteful number, since it uses less digits than its factorization.

82555742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23130.

The product of its digits is 112000, while the sum is 38.

The square root of 82555742 is about 9086.0190402618. The cubic root of 82555742 is about 435.4274074572.

The spelling of 82555742 in words is "eighty-two million, five hundred fifty-five thousand, seven hundred forty-two".