47784506 has 48 divisors (see below), whose sum is σ = 95787360. Its totient is φ = 17629920.

The previous prime is 47784469. The next prime is 47784509. The reversal of 47784506 is 60548774.

It is not an unprimeable number, because it can be changed into a prime (47784509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19316 + ... + 21648.

It is an arithmetic number, because the mean of its divisors is an integer number (1995570).

Almost surely, 2^47784506 is an apocalyptic number.

47784506 is an abundant number, since it is smaller than the sum of its proper divisors (48002854).

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

47784506 is a wasteful number, since it uses less digits than its factorization.

47784506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 47784506 is about 6912.6337961735. The cubic root of 47784506 is about 362.8794435069.

The spelling of 47784506 in words is "forty-seven million, seven hundred eighty-four thousand, five hundred six".