47106645 has 16 divisors (see below), whose sum is σ = 78648192. Its totient is φ = 24031040.

The previous prime is 47106641. The next prime is 47106659. The reversal of 47106645 is 54660174.

It is not a de Polignac number, because 47106645 - 2² = 47106641 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47106641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67926 + ... + 68615.

It is an arithmetic number, because the mean of its divisors is an integer number (4915512).

Almost surely, 2^47106645 is an apocalyptic number.

It is an amenable number.

47106645 is a deficient number, since it is larger than the sum of its proper divisors (31541547).

47106645 is a wasteful number, since it uses less digits than its factorization.

47106645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136572.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 47106645 is about 6863.4280793201. The cubic root of 47106645 is about 361.1553544914.

The spelling of 47106645 in words is "forty-seven million, one hundred six thousand, six hundred forty-five".