47647345 has 32 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 33592320.

The previous prime is 47647339. The next prime is 47647351. The reversal of 47647345 is 54374674.

47647345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47647339) and next prime (47647351).

It is not a de Polignac number, because 47647345 - 2³ = 47647337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47647298 and 47647307.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 263155 + ... + 263335.

It is an arithmetic number, because the mean of its divisors is an integer number (2014740).

Almost surely, 2^47647345 is an apocalyptic number.

It is an amenable number.

47647345 is a deficient number, since it is larger than the sum of its proper divisors (16824335).

47647345 is a wasteful number, since it uses less digits than its factorization.

47647345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 282240, while the sum is 40.

The square root of 47647345 is about 6902.7056289545. The cubic root of 47647345 is about 362.5319068229.

The spelling of 47647345 in words is "forty-seven million, six hundred forty-seven thousand, three hundred forty-five".