47428814 has 4 divisors (see below), whose sum is σ = 71143224. Its totient is φ = 23714406.

The previous prime is 47428811. The next prime is 47428859. The reversal of 47428814 is 41882474.

It is a happy number.

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 (47428811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11857202 + ... + 11857205.

It is an arithmetic number, because the mean of its divisors is an integer number (17785806).

Almost surely, 2^47428814 is an apocalyptic number.

47428814 is a deficient number, since it is larger than the sum of its proper divisors (23714410).

47428814 is a wasteful number, since it uses less digits than its factorization.

47428814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23714409.

The product of its digits is 57344, while the sum is 38.

The square root of 47428814 is about 6886.8580644587. The cubic root of 47428814 is about 361.9768154621.

The spelling of 47428814 in words is "forty-seven million, four hundred twenty-eight thousand, eight hundred fourteen".