47316538 has 8 divisors (see below), whose sum is σ = 71385588. Its totient is φ = 23521344.

The previous prime is 47316499. The next prime is 47316547. The reversal of 47316538 is 83561374.

It can be written as a sum of positive squares in 2 ways, for example, as 47293129 + 23409 = 6877^2 + 153^2 .

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 = 47316497 and 47316506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68031 + ... + 68722.

Almost surely, 2^47316538 is an apocalyptic number.

47316538 is a deficient number, since it is larger than the sum of its proper divisors (24069050).

47316538 is a wasteful number, since it uses less digits than its factorization.

47316538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136928.

The product of its digits is 60480, while the sum is 37.

The square root of 47316538 is about 6878.7017670488. The cubic root of 47316538 is about 361.6909595505.

The spelling of 47316538 in words is "forty-seven million, three hundred sixteen thousand, five hundred thirty-eight".