47910520 has 64 divisors (see below), whose sum is σ = 124185600. Its totient is φ = 16295040.

The previous prime is 47910517. The next prime is 47910521. The reversal of 47910520 is 2501974.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47910521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38305 + ... + 39535.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2^47910520 is an apocalyptic number.

47910520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47910520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62092800).

47910520 is an abundant number, since it is smaller than the sum of its proper divisors (76275080).

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

47910520 is a wasteful number, since it uses less digits than its factorization.

47910520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 47910520 is about 6921.7425551663. The cubic root of 47910520 is about 363.1981503849.

The spelling of 47910520 in words is "forty-seven million, nine hundred ten thousand, five hundred twenty".