47474385 has 24 divisors (see below), whose sum is σ = 88361856. Its totient is φ = 21702240.

The previous prime is 47474377. The next prime is 47474389. The reversal of 47474385 is 58347474.

47474385 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 47474385 - 2³ = 47474377 is a prime.

It is a super-2 number, since 2×47474385² = 4507634462256450, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (47474389) 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 23 ways as a sum of consecutive naturals, for example, 31561 + ... + 33030.

It is an arithmetic number, because the mean of its divisors is an integer number (3681744).

Almost surely, 2^47474385 is an apocalyptic number.

It is an amenable number.

47474385 is a deficient number, since it is larger than the sum of its proper divisors (40887471).

47474385 is a wasteful number, since it uses less digits than its factorization.

47474385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64613 (or 64606 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

The square root of 47474385 is about 6890.1658180337. The cubic root of 47474385 is about 362.0927110097.

The spelling of 47474385 in words is "forty-seven million, four hundred seventy-four thousand, three hundred eighty-five".