47904276 has 48 divisors (see below), whose sum is σ = 129852800. Its totient is φ = 13461120.

The previous prime is 47904253. The next prime is 47904289. The reversal of 47904276 is 67240974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450 + ... + 9798.

Almost surely, 2^47904276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47904276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64926400).

47904276 is an abundant number, since it is smaller than the sum of its proper divisors (81948524).

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

47904276 is a wasteful number, since it uses less digits than its factorization.

47904276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 47904276 is about 6921.2914979793. The cubic root of 47904276 is about 363.1823716110.

The spelling of 47904276 in words is "forty-seven million, nine hundred four thousand, two hundred seventy-six".