47318746 has 8 divisors (see below), whose sum is σ = 71950644. Its totient is φ = 23335200.

The previous prime is 47318743. The next prime is 47318773. The reversal of 47318746 is 64781374.

It can be written as a sum of positive squares in 2 ways, for example, as 44742721 + 2576025 = 6689^2 + 1605^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 47318699 and 47318708.

It is not an unprimeable number, because it can be changed into a prime (47318743) 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, 161905 + ... + 162196.

Almost surely, 2^47318746 is an apocalyptic number.

47318746 is a deficient number, since it is larger than the sum of its proper divisors (24631898).

47318746 is a wasteful number, since it uses less digits than its factorization.

47318746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324176.

The product of its digits is 112896, while the sum is 40.

The square root of 47318746 is about 6878.8622605777. The cubic root of 47318746 is about 361.6965854990.

The spelling of 47318746 in words is "forty-seven million, three hundred eighteen thousand, seven hundred forty-six".