47040305 has 24 divisors (see below), whose sum is σ = 61663680. Its totient is φ = 34432320.

The previous prime is 47040281. The next prime is 47040311. The reversal of 47040305 is 50304074.

It is not a de Polignac number, because 47040305 - 2¹⁰ = 47039281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151100 + ... + 151410.

It is an arithmetic number, because the mean of its divisors is an integer number (2569320).

Almost surely, 2^47040305 is an apocalyptic number.

It is an amenable number.

47040305 is a deficient number, since it is larger than the sum of its proper divisors (14623375).

47040305 is a wasteful number, since it uses less digits than its factorization.

47040305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 47040305 is about 6858.5935147084. The cubic root of 47040305 is about 360.9857372173.

Adding to 47040305 its reverse (50304074), we get a palindrome (97344379).

The spelling of 47040305 in words is "forty-seven million, forty thousand, three hundred five".