47678006 has 4 divisors (see below), whose sum is σ = 71517012. Its totient is φ = 23839002.

The previous prime is 47677997. The next prime is 47678009. The reversal of 47678006 is 60087674.

47678006 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, and also an emirpimes, since its reverse is a distinct semiprime: 60087674 = 2 ⋅30043837.

It is a super-2 number, since 2×47678006² = 4546384512272072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47678009) by changing a digit.

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, 11919500 + ... + 11919503.

It is an arithmetic number, because the mean of its divisors is an integer number (17879253).

Almost surely, 2^47678006 is an apocalyptic number.

47678006 is a deficient number, since it is larger than the sum of its proper divisors (23839006).

47678006 is a wasteful number, since it uses less digits than its factorization.

47678006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23839005.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 47678006 is about 6904.9262124950. The cubic root of 47678006 is about 362.6096530741.

The spelling of 47678006 in words is "forty-seven million, six hundred seventy-eight thousand, six".