47810812 has 12 divisors (see below), whose sum is σ = 95621680. Its totient is φ = 20490336.

The previous prime is 47810803. The next prime is 47810831. The reversal of 47810812 is 21801874.

47810812 is an admirable number.

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, 853737 + ... + 853792.

Almost surely, 2^47810812 is an apocalyptic number.

It is an amenable number.

47810812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47810812 is a wasteful number, since it uses less digits than its factorization.

47810812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707540 (or 1707538 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 47810812 is about 6914.5362823547. The cubic root of 47810812 is about 362.9460212623.

The spelling of 47810812 in words is "forty-seven million, eight hundred ten thousand, eight hundred twelve".