82680750 has 96 divisors (see below), whose sum is σ = 232019424. Its totient is φ = 22032000.

The previous prime is 82680743. The next prime is 82680757. The reversal of 82680750 is 5708628.

It is an interprime number because it is at equal distance from previous prime (82680743) and next prime (82680757).

It is a super-2 number, since 2×82680750² = 13672212841125000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82680757) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 60070 + ... + 61430.

It is an arithmetic number, because the mean of its divisors is an integer number (2416869).

Almost surely, 2^82680750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82680750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116009712).

82680750 is an abundant number, since it is smaller than the sum of its proper divisors (149338674).

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

82680750 is a wasteful number, since it uses less digits than its factorization.

82680750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 82680750 is about 9092.8955784173. The cubic root of 82680750 is about 435.6470750299.

The spelling of 82680750 in words is "eighty-two million, six hundred eighty thousand, seven hundred fifty".