47117480 has 32 divisors (see below), whose sum is σ = 106293600. Its totient is φ = 18797376.

The previous prime is 47117471. The next prime is 47117491. The reversal of 47117480 is 8471174.

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, 16391 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (3321675).

Almost surely, 2^47117480 is an apocalyptic number.

47117480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47117480 is an abundant number, since it is smaller than the sum of its proper divisors (59176120).

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

47117480 is a wasteful number, since it uses less digits than its factorization.

47117480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 47117480 is about 6864.2173625258. The cubic root of 47117480 is about 361.1830421512.

The spelling of 47117480 in words is "forty-seven million, one hundred seventeen thousand, four hundred eighty".