47075305 has 8 divisors (see below), whose sum is σ = 56589192. Its totient is φ = 37594368.

The previous prime is 47075299. The next prime is 47075309. The reversal of 47075305 is 50357074.

It can be written as a sum of positive squares in 4 ways, for example, as 22553001 + 24522304 = 4749^2 + 4952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47075305 - 2³ = 47075297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47075309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4974 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (7073649).

Almost surely, 2^47075305 is an apocalyptic number.

It is an amenable number.

47075305 is a deficient number, since it is larger than the sum of its proper divisors (9513887).

47075305 is a wasteful number, since it uses less digits than its factorization.

47075305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 47075305 is about 6861.1445838140. The cubic root of 47075305 is about 361.0752446341.

The spelling of 47075305 in words is "forty-seven million, seventy-five thousand, three hundred five".