47845680 has 40 divisors (see below), whose sum is σ = 148322352. Its totient is φ = 12758784.

The previous prime is 47845673. The next prime is 47845703. The reversal of 47845680 is 8654874.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99439 + ... + 99918.

Almost surely, 2^47845680 is an apocalyptic number.

47845680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47845680 is an abundant number, since it is smaller than the sum of its proper divisors (100476672).

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

47845680 is a wasteful number, since it uses less digits than its factorization.

47845680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199373 (or 199367 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 47845680 is about 6917.0571777310. The cubic root of 47845680 is about 363.0342309241.

The spelling of 47845680 in words is "forty-seven million, eight hundred forty-five thousand, six hundred eighty".