47312942 has 16 divisors (see below), whose sum is σ = 73060800. Its totient is φ = 22969440.

The previous prime is 47312917. The next prime is 47312963. The reversal of 47312942 is 24921374.

47312942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47312899 and 47312908.

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 7 ways as a sum of consecutive naturals, for example, 7184 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (4566300).

Almost surely, 2^47312942 is an apocalyptic number.

47312942 is a deficient number, since it is larger than the sum of its proper divisors (25747858).

47312942 is a wasteful number, since it uses less digits than its factorization.

47312942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its digits is 12096, while the sum is 32.

The square root of 47312942 is about 6878.4403755503. The cubic root of 47312942 is about 361.6817966257.

The spelling of 47312942 in words is "forty-seven million, three hundred twelve thousand, nine hundred forty-two".