47854345 has 16 divisors (see below), whose sum is σ = 71595648. Its totient is φ = 29831040.

The previous prime is 47854343. The next prime is 47854349. The reversal of 47854345 is 54345874.

It is not a de Polignac number, because 47854345 - 2¹ = 47854343 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47854298 and 47854307.

It is not an unprimeable number, because it can be changed into a prime (47854343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61764 + ... + 62533.

It is an arithmetic number, because the mean of its divisors is an integer number (4474728).

Almost surely, 2^47854345 is an apocalyptic number.

It is an amenable number.

47854345 is a deficient number, since it is larger than the sum of its proper divisors (23741303).

47854345 is a wasteful number, since it uses less digits than its factorization.

47854345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124320.

The product of its digits is 268800, while the sum is 40.

The square root of 47854345 is about 6917.6834995539. The cubic root of 47854345 is about 363.0561451403.

The spelling of 47854345 in words is "forty-seven million, eight hundred fifty-four thousand, three hundred forty-five".