47343905 has 16 divisors (see below), whose sum is σ = 66685440. Its totient is φ = 31586112.

The previous prime is 47343887. The next prime is 47343911. The reversal of 47343905 is 50934374.

It is a cyclic number.

It is not a de Polignac number, because 47343905 - 2¹⁶ = 47278369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16985 + ... + 19574.

It is an arithmetic number, because the mean of its divisors is an integer number (4167840).

Almost surely, 2^47343905 is an apocalyptic number.

It is an amenable number.

47343905 is a deficient number, since it is larger than the sum of its proper divisors (19341535).

47343905 is a wasteful number, since it uses less digits than its factorization.

47343905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36608.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 47343905 is about 6880.6907356747. The cubic root of 47343905 is about 361.7606778715.

The spelling of 47343905 in words is "forty-seven million, three hundred forty-three thousand, nine hundred five".