47478814 has 4 divisors (see below), whose sum is σ = 71218224. Its totient is φ = 23739406.

The previous prime is 47478793. The next prime is 47478839. The reversal of 47478814 is 41887474.

47478814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41887474 = 2 ⋅20943737.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11869702 + ... + 11869705.

It is an arithmetic number, because the mean of its divisors is an integer number (17804556).

Almost surely, 2^47478814 is an apocalyptic number.

47478814 is a deficient number, since it is larger than the sum of its proper divisors (23739410).

47478814 is a wasteful number, since it uses less digits than its factorization.

47478814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23739409.

The product of its digits is 200704, while the sum is 43.

The square root of 47478814 is about 6890.4872106405. The cubic root of 47478814 is about 362.1039708273.

The spelling of 47478814 in words is "forty-seven million, four hundred seventy-eight thousand, eight hundred fourteen".