47503780 has 48 divisors (see below), whose sum is σ = 109057536. Its totient is φ = 17303040.

The previous prime is 47503747. The next prime is 47503783. The reversal of 47503780 is 8730574.

47503780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47503780² = 4513218228576800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (47503783) by changing a digit.

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, 8287 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (2272032).

Almost surely, 2^47503780 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 47503780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54528768).

47503780 is an abundant number, since it is smaller than the sum of its proper divisors (61553756).

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

47503780 is a wasteful number, since it uses less digits than its factorization.

47503780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 47503780 is about 6892.2986006121. The cubic root of 47503780 is about 362.1674286300.

The spelling of 47503780 in words is "forty-seven million, five hundred three thousand, seven hundred eighty".