47257500 has 60 divisors (see below), whose sum is σ = 137812136. Its totient is φ = 12600000.

The previous prime is 47257481. The next prime is 47257517. The reversal of 47257500 is 575274.

47257500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 19 ways as a sum of consecutive naturals, for example, 4350 + ... + 10650.

Almost surely, 2^47257500 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 47257500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68906068).

47257500 is an abundant number, since it is smaller than the sum of its proper divisors (90554636).

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

47257500 is a wasteful number, since it uses less digits than its factorization.

47257500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328 (or 6311 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 47257500 is about 6874.4090655125. The cubic root of 47257500 is about 361.5404667275.

The spelling of 47257500 in words is "forty-seven million, two hundred fifty-seven thousand, five hundred".