82364740 has 24 divisors (see below), whose sum is σ = 173136600. Its totient is φ = 32913408.

The previous prime is 82364731. The next prime is 82364747. The reversal of 82364740 is 4746328.

It can be written as a sum of positive squares in 4 ways, for example, as 968256 + 81396484 = 984^2 + 9022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82364696 and 82364705.

It is not an unprimeable number, because it can be changed into a prime (82364747) 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 in 7 ways as a sum of consecutive naturals, for example, 37924 + ... + 40036.

It is an arithmetic number, because the mean of its divisors is an integer number (7214025).

Almost surely, 2^82364740 is an apocalyptic number.

It is an amenable number.

82364740 is an abundant number, since it is smaller than the sum of its proper divisors (90771860).

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

82364740 is a wasteful number, since it uses less digits than its factorization.

82364740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 82364740 is about 9075.5021899617. The cubic root of 82364740 is about 435.0913447140.

The spelling of 82364740 in words is "eighty-two million, three hundred sixty-four thousand, seven hundred forty".