47807144 has 48 divisors (see below), whose sum is σ = 113762880. Its totient is φ = 18624480.

The previous prime is 47807119. The next prime is 47807159. The reversal of 47807144 is 44170874.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1232 + ... + 9855.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^47807144 is an apocalyptic number.

47807144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47807144 is an abundant number, since it is smaller than the sum of its proper divisors (65955736).

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

47807144 is a wasteful number, since it uses less digits than its factorization.

47807144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118 (or 11107 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 47807144 is about 6914.2710389455. The cubic root of 47807144 is about 362.9367394005.

The spelling of 47807144 in words is "forty-seven million, eight hundred seven thousand, one hundred forty-four".