82756906 has 8 divisors (see below), whose sum is σ = 125234244. Its totient is φ = 41012160.

The previous prime is 82756889. The next prime is 82756937. The reversal of 82756906 is 60965728.

It can be written as a sum of positive squares in 2 ways, for example, as 80910025 + 1846881 = 8995^2 + 1359^2 .

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

It is a super-3 number, since 3×82756906³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182865 + ... + 183316.

Almost surely, 2^82756906 is an apocalyptic number.

82756906 is the 5754-th centered pentagonal number.

82756906 is a deficient number, since it is larger than the sum of its proper divisors (42477338).

82756906 is a wasteful number, since it uses less digits than its factorization.

82756906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366296.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 82756906 is about 9097.0822795004. The cubic root of 82756906 is about 435.7807899818.

The spelling of 82756906 in words is "eighty-two million, seven hundred fifty-six thousand, nine hundred six".