47638082 has 4 divisors (see below), whose sum is σ = 71457126. Its totient is φ = 23819040.

The previous prime is 47638079. The next prime is 47638091. The reversal of 47638082 is 28083674.

47638082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 22648081 = 4999^2 + 4759^2 .

It is a super-3 number, since 3×47638082³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11909519 + ... + 11909522.

Almost surely, 2^47638082 is an apocalyptic number.

47638082 is a deficient number, since it is larger than the sum of its proper divisors (23819044).

47638082 is a wasteful number, since it uses less digits than its factorization.

47638082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23819043.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47638082 is about 6902.0346275573. The cubic root of 47638082 is about 362.5084123296.

The spelling of 47638082 in words is "forty-seven million, six hundred thirty-eight thousand, eighty-two".