47812305 has 16 divisors (see below), whose sum is σ = 77204160. Its totient is φ = 25265088.

The previous prime is 47812283. The next prime is 47812319. The reversal of 47812305 is 50321874.

It is not a de Polignac number, because 47812305 - 2⁶ = 47812241 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12987 + ... + 16256.

It is an arithmetic number, because the mean of its divisors is an integer number (4825260).

Almost surely, 2^47812305 is an apocalyptic number.

It is an amenable number.

47812305 is a deficient number, since it is larger than the sum of its proper divisors (29391855).

47812305 is a wasteful number, since it uses less digits than its factorization.

47812305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29360.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 47812305 is about 6914.6442424755. The cubic root of 47812305 is about 362.9497991579.

The spelling of 47812305 in words is "forty-seven million, eight hundred twelve thousand, three hundred five".