82862740 has 24 divisors (see below), whose sum is σ = 175345632. Its totient is φ = 32891040.

The previous prime is 82862737. The next prime is 82862753. The reversal of 82862740 is 4726828.

It is a self number, because there is not a number n which added to its sum of digits gives 82862740.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13194 + ... + 18433.

It is an arithmetic number, because the mean of its divisors is an integer number (7306068).

Almost surely, 2^82862740 is an apocalyptic number.

It is an amenable number.

82862740 is an abundant number, since it is smaller than the sum of its proper divisors (92482892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82862740 is a wasteful number, since it uses less digits than its factorization.

82862740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31767 (or 31765 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 82862740 is about 9102.8973409569. The cubic root of 82862740 is about 435.9664775169.

It can be divided in two parts, 8286 and 2740, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 82862740 in words is "eighty-two million, eight hundred sixty-two thousand, seven hundred forty".