47505434 has 16 divisors (see below), whose sum is σ = 75238080. Its totient is φ = 22496076.

The previous prime is 47505433. The next prime is 47505449. The reversal of 47505434 is 43450574.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47505434.

It is not an unprimeable number, because it can be changed into a prime (47505431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11987 + ... + 15449.

It is an arithmetic number, because the mean of its divisors is an integer number (4702380).

Almost surely, 2^47505434 is an apocalyptic number.

47505434 is a deficient number, since it is larger than the sum of its proper divisors (27732646).

47505434 is an equidigital number, since it uses as much as digits as its factorization.

47505434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3484 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 47505434 is about 6892.4185885653. The cubic root of 47505434 is about 362.1716319304.

The spelling of 47505434 in words is "forty-seven million, five hundred five thousand, four hundred thirty-four".