47499118 has 4 divisors (see below), whose sum is σ = 71248680. Its totient is φ = 23749558.

The previous prime is 47499113. The next prime is 47499121. The reversal of 47499118 is 81199474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81199474 = 2 ⋅40599737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47499113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11874778 + ... + 11874781.

It is an arithmetic number, because the mean of its divisors is an integer number (17812170).

Almost surely, 2^47499118 is an apocalyptic number.

47499118 is a deficient number, since it is larger than the sum of its proper divisors (23749562).

47499118 is a wasteful number, since it uses less digits than its factorization.

47499118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23749561.

The product of its digits is 72576, while the sum is 43.

The square root of 47499118 is about 6891.9603887428. The cubic root of 47499118 is about 362.1555805919.

The spelling of 47499118 in words is "forty-seven million, four hundred ninety-nine thousand, one hundred eighteen".