82756130 has 8 divisors (see below), whose sum is σ = 148961052. Its totient is φ = 33102448.

The previous prime is 82756129. The next prime is 82756133. The reversal of 82756130 is 3165728.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71859529 + 10896601 = 8477^2 + 3301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82756133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4137797 + ... + 4137816.

Almost surely, 2^82756130 is an apocalyptic number.

82756130 is a deficient number, since it is larger than the sum of its proper divisors (66204922).

82756130 is a wasteful number, since it uses less digits than its factorization.

82756130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275620.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 82756130 is about 9097.0396283626. The cubic root of 82756130 is about 435.7794278923.

The spelling of 82756130 in words is "eighty-two million, seven hundred fifty-six thousand, one hundred thirty".