47030812 has 12 divisors (see below), whose sum is σ = 82370176. Its totient is φ = 23496480.

The previous prime is 47030801. The next prime is 47030821. The reversal of 47030812 is 21803074.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888 + ... + 9880.

Almost surely, 2^47030812 is an apocalyptic number.

It is an amenable number.

47030812 is a deficient number, since it is larger than the sum of its proper divisors (35339364).

47030812 is a wasteful number, since it uses less digits than its factorization.

47030812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 47030812 is about 6857.9014282796. The cubic root of 47030812 is about 360.9614525948.

Adding to 47030812 its reverse (21803074), we get a palindrome (68833886).

The spelling of 47030812 in words is "forty-seven million, thirty thousand, eight hundred twelve".