47994134 has 4 divisors (see below), whose sum is σ = 71991204. Its totient is φ = 23997066.

The previous prime is 47994127. The next prime is 47994137. The reversal of 47994134 is 43149974.

47994134 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 is a junction number, because it is equal to n+sod(n) for n = 47994091 and 47994100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47994137) 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, 11998532 + ... + 11998535.

It is an arithmetic number, because the mean of its divisors is an integer number (17997801).

Almost surely, 2^47994134 is an apocalyptic number.

47994134 is a deficient number, since it is larger than the sum of its proper divisors (23997070).

47994134 is a wasteful number, since it uses less digits than its factorization.

47994134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23997069.

The product of its digits is 108864, while the sum is 41.

The square root of 47994134 is about 6927.7798752559. The cubic root of 47994134 is about 363.4093134780.

The spelling of 47994134 in words is "forty-seven million, nine hundred ninety-four thousand, one hundred thirty-four".