47100047 has 4 divisors (see below), whose sum is σ = 49870656. Its totient is φ = 44329440.

The previous prime is 47100041. The next prime is 47100059. The reversal of 47100047 is 74000174.

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

It is a cyclic number.

It is not a de Polignac number, because 47100047 - 2¹⁰ = 47099023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47099995 and 47100031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47100041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385279 + ... + 1385312.

It is an arithmetic number, because the mean of its divisors is an integer number (12467664).

Almost surely, 2^47100047 is an apocalyptic number.

47100047 is a deficient number, since it is larger than the sum of its proper divisors (2770609).

47100047 is a wasteful number, since it uses less digits than its factorization.

47100047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770608.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 47100047 is about 6862.9473988950. The cubic root of 47100047 is about 361.1384919427.

The spelling of 47100047 in words is "forty-seven million, one hundred thousand, forty-seven".