47474470 has 32 divisors (see below), whose sum is σ = 87494400. Its totient is φ = 18541440.

The previous prime is 47474467. The next prime is 47474491. The reversal of 47474470 is 7447474.

47474470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 135856 + ... + 136204.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^47474470 is an apocalyptic number.

47474470 is a deficient number, since it is larger than the sum of its proper divisors (40019930).

47474470 is a wasteful number, since it uses less digits than its factorization.

47474470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 47474470 is about 6890.1719862424. The cubic root of 47474470 is about 362.0929271113.

The spelling of 47474470 in words is "forty-seven million, four hundred seventy-four thousand, four hundred seventy".