47099943 has 48 divisors (see below), whose sum is σ = 77875200. Its totient is φ = 27172800.

The previous prime is 47099903. The next prime is 47099947. The reversal of 47099943 is 34999074.

47099943 is a `hidden beast` number, since 470 + 99 + 94 + 3 = 666.

47099943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47099943 - 2¹² = 47095847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47099947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316033 + ... + 316181.

It is an arithmetic number, because the mean of its divisors is an integer number (1622400).

Almost surely, 2^47099943 is an apocalyptic number.

47099943 is a deficient number, since it is larger than the sum of its proper divisors (30775257).

47099943 is a wasteful number, since it uses less digits than its factorization.

47099943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 47099943 is about 6862.9398219713. The cubic root of 47099943 is about 361.1382261366.

The spelling of 47099943 in words is "forty-seven million, ninety-nine thousand, nine hundred forty-three".