47716918 has 4 divisors (see below), whose sum is σ = 71575380. Its totient is φ = 23858458.

The previous prime is 47716901. The next prime is 47716937. The reversal of 47716918 is 81961774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81961774 = 2 ⋅40980887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11929228 + ... + 11929231.

It is an arithmetic number, because the mean of its divisors is an integer number (17893845).

Almost surely, 2^47716918 is an apocalyptic number.

47716918 is a deficient number, since it is larger than the sum of its proper divisors (23858462).

47716918 is a wasteful number, since it uses less digits than its factorization.

47716918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23858461.

The product of its digits is 84672, while the sum is 43.

The square root of 47716918 is about 6907.7433362857. The cubic root of 47716918 is about 362.7082731800.

The spelling of 47716918 in words is "forty-seven million, seven hundred sixteen thousand, nine hundred eighteen".