47473718 has 4 divisors (see below), whose sum is σ = 71210580. Its totient is φ = 23736858.

The previous prime is 47473717. The next prime is 47473729. The reversal of 47473718 is 81737474.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47473711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11868428 + ... + 11868431.

It is an arithmetic number, because the mean of its divisors is an integer number (17802645).

Almost surely, 2^47473718 is an apocalyptic number.

47473718 is a deficient number, since it is larger than the sum of its proper divisors (23736862).

47473718 is a wasteful number, since it uses less digits than its factorization.

47473718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23736861.

The product of its digits is 131712, while the sum is 41.

The square root of 47473718 is about 6890.1174155453. The cubic root of 47473718 is about 362.0910152393.

The spelling of 47473718 in words is "forty-seven million, four hundred seventy-three thousand, seven hundred eighteen".