47907936 has 144 divisors (see below), whose sum is σ = 145021968. Its totient is φ = 15552000.

The previous prime is 47907917. The next prime is 47907943. The reversal of 47907936 is 63970974.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 47907891 and 47907900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474286 + ... + 474386.

It is an arithmetic number, because the mean of its divisors is an integer number (1007097).

Almost surely, 2^47907936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47907936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72510984).

47907936 is an abundant number, since it is smaller than the sum of its proper divisors (97114032).

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

47907936 is a wasteful number, since it uses less digits than its factorization.

47907936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 47907936 is about 6921.5558944503. Note that the first 3 decimals coincide. The cubic root of 47907936 is about 363.1916207062.

The spelling of 47907936 in words is "forty-seven million, nine hundred seven thousand, nine hundred thirty-six".