47809464 has 32 divisors (see below), whose sum is σ = 122305920. Its totient is φ = 15565536.

The previous prime is 47809451. The next prime is 47809477. The reversal of 47809464 is 46490874.

47809464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47809451) and next prime (47809477).

It is a congruent number.

It is an unprimeable number.

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, 22132 + ... + 24195.

It is an arithmetic number, because the mean of its divisors is an integer number (3822060).

Almost surely, 2^47809464 is an apocalyptic number.

It is an amenable number.

47809464 is an abundant number, since it is smaller than the sum of its proper divisors (74496456).

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

47809464 is a wasteful number, since it uses less digits than its factorization.

47809464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46379 (or 46375 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 47809464 is about 6914.4388058613. The cubic root of 47809464 is about 362.9426102079.

The spelling of 47809464 in words is "forty-seven million, eight hundred nine thousand, four hundred sixty-four".