47706109 has 4 divisors (see below), whose sum is σ = 52043040. Its totient is φ = 43369180.

The previous prime is 47706103. The next prime is 47706119. The reversal of 47706109 is 90160774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47706109 - 2³ = 47706101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47706101) 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, 2168449 + ... + 2168470.

It is an arithmetic number, because the mean of its divisors is an integer number (13010760).

Almost surely, 2^47706109 is an apocalyptic number.

It is an amenable number.

47706109 is a deficient number, since it is larger than the sum of its proper divisors (4336931).

47706109 is a wasteful number, since it uses less digits than its factorization.

47706109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336930.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 47706109 is about 6906.9609091119. The cubic root of 47706109 is about 362.6808838043.

The spelling of 47706109 in words is "forty-seven million, seven hundred six thousand, one hundred nine".