47745500 has 48 divisors (see below), whose sum is σ = 113768928. Its totient is φ = 17360000.

The previous prime is 47745497. The next prime is 47745517. The reversal of 47745500 is 554774.

47745500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 1160 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (2370186).

Almost surely, 2^47745500 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 47745500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56884464).

47745500 is an abundant number, since it is smaller than the sum of its proper divisors (66023428).

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

47745500 is a wasteful number, since it uses less digits than its factorization.

47745500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711 (or 8699 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 47745500 is about 6909.8118642985. The cubic root of 47745500 is about 362.7806783778.

It can be divided in two parts, 47 and 745500, that added together give a palindrome (745547).

The spelling of 47745500 in words is "forty-seven million, seven hundred forty-five thousand, five hundred".