82321748 has 6 divisors (see below), whose sum is σ = 144063066. Its totient is φ = 41160872.

The previous prime is 82321747. The next prime is 82321787. The reversal of 82321748 is 84712328.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 39967684 = 6508^2 + 6322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82321741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10290215 + ... + 10290222.

It is an arithmetic number, because the mean of its divisors is an integer number (24010511).

Almost surely, 2^82321748 is an apocalyptic number.

It is an amenable number.

82321748 is a deficient number, since it is larger than the sum of its proper divisors (61741318).

82321748 is a wasteful number, since it uses less digits than its factorization.

82321748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20580441 (or 20580439 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 82321748 is about 9073.1333066367. The cubic root of 82321748 is about 435.0156298607.

The spelling of 82321748 in words is "eighty-two million, three hundred twenty-one thousand, seven hundred forty-eight".