47136046 has 4 divisors (see below), whose sum is σ = 70704072. Its totient is φ = 23568022.

The previous prime is 47136031. The next prime is 47136059. The reversal of 47136046 is 64063174.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47135999 and 47136017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11784010 + ... + 11784013.

It is an arithmetic number, because the mean of its divisors is an integer number (17676018).

Almost surely, 2^47136046 is an apocalyptic number.

47136046 is a deficient number, since it is larger than the sum of its proper divisors (23568026).

47136046 is a wasteful number, since it uses less digits than its factorization.

47136046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23568025.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 47136046 is about 6865.5696049199. The cubic root of 47136046 is about 361.2304756712.

The spelling of 47136046 in words is "forty-seven million, one hundred thirty-six thousand, forty-six".