82755330 has 32 divisors (see below), whose sum is σ = 226986624. Its totient is φ = 18915456.

The previous prime is 82755289. The next prime is 82755331. The reversal of 82755330 is 3355728.

It is a super-3 number, since 3×82755330³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82755291 and 82755300.

It is not an unprimeable number, because it can be changed into a prime (82755331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196827 + ... + 197246.

It is an arithmetic number, because the mean of its divisors is an integer number (7093332).

Almost surely, 2^82755330 is an apocalyptic number.

82755330 is an abundant number, since it is smaller than the sum of its proper divisors (144231294).

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

82755330 is a wasteful number, since it uses less digits than its factorization.

82755330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394090.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 82755330 is about 9096.9956579082. The cubic root of 82755330 is about 435.7780236674.

The spelling of 82755330 in words is "eighty-two million, seven hundred fifty-five thousand, three hundred thirty".