82275750 has 160 divisors (see below), whose sum is σ = 244632960. Its totient is φ = 20563200.

The previous prime is 82275701. The next prime is 82275751. The reversal of 82275750 is 5757228.

82275750 is a `hidden beast` number, since 82 + 2 + 7 + 575 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82275751) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 344131 + ... + 344369.

It is an arithmetic number, because the mean of its divisors is an integer number (1528956).

Almost surely, 2^82275750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82275750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122316480).

82275750 is an abundant number, since it is smaller than the sum of its proper divisors (162357210).

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

82275750 is a wasteful number, since it uses less digits than its factorization.

82275750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 82275750 is about 9070.5981059685. The cubic root of 82275750 is about 434.9345918302.

The spelling of 82275750 in words is "eighty-two million, two hundred seventy-five thousand, seven hundred fifty".