47315782 has 8 divisors (see below), whose sum is σ = 71771400. Its totient is φ = 23391984.

The previous prime is 47315747. The next prime is 47315789. The reversal of 47315782 is 28751374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47315789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132732 + ... + 133087.

It is an arithmetic number, because the mean of its divisors is an integer number (8971425).

Almost surely, 2^47315782 is an apocalyptic number.

47315782 is a deficient number, since it is larger than the sum of its proper divisors (24455618).

47315782 is a wasteful number, since it uses less digits than its factorization.

47315782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265910.

The product of its digits is 47040, while the sum is 37.

The square root of 47315782 is about 6878.6468145995. The cubic root of 47315782 is about 361.6890332344.

The spelling of 47315782 in words is "forty-seven million, three hundred fifteen thousand, seven hundred eighty-two".