47380305 has 32 divisors (see below), whose sum is σ = 88416000. Its totient is φ = 21657216.

The previous prime is 47380303. The next prime is 47380321. The reversal of 47380305 is 50308374.

It is not a de Polignac number, because 47380305 - 2¹ = 47380303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47380303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (2763000).

Almost surely, 2^47380305 is an apocalyptic number.

It is an amenable number.

47380305 is a deficient number, since it is larger than the sum of its proper divisors (41035695).

47380305 is an equidigital number, since it uses as much as digits as its factorization.

47380305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238 (or 9224 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 47380305 is about 6883.3353107342. The cubic root of 47380305 is about 361.8533664332.

Adding to 47380305 its reverse (50308374), we get a palindrome (97688679).

The spelling of 47380305 in words is "forty-seven million, three hundred eighty thousand, three hundred five".