47309268 has 24 divisors (see below), whose sum is σ = 112260960. Its totient is φ = 15502240.

The previous prime is 47309261. The next prime is 47309293. The reversal of 47309268 is 86290374.

47309268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47309261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32703 + ... + 34118.

It is an arithmetic number, because the mean of its divisors is an integer number (4677540).

Almost surely, 2^47309268 is an apocalyptic number.

It is an amenable number.

47309268 is an abundant number, since it is smaller than the sum of its proper divisors (64951692).

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

47309268 is a wasteful number, since it uses less digits than its factorization.

47309268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66887 (or 66885 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 47309268 is about 6878.1733040103. The cubic root of 47309268 is about 361.6724344705.

The spelling of 47309268 in words is "forty-seven million, three hundred nine thousand, two hundred sixty-eight".