47438680 has 64 divisors (see below), whose sum is σ = 112020480. Its totient is φ = 18057600.

The previous prime is 47438659. The next prime is 47438689. The reversal of 47438680 is 8683474.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47438689) 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, 82795 + ... + 83365.

It is an arithmetic number, because the mean of its divisors is an integer number (1750320).

Almost surely, 2^47438680 is an apocalyptic number.

47438680 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 47438680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56010240).

47438680 is an abundant number, since it is smaller than the sum of its proper divisors (64581800).

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

47438680 is a wasteful number, since it uses less digits than its factorization.

47438680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 47438680 is about 6887.5743190183. The cubic root of 47438680 is about 362.0019128334.

The spelling of 47438680 in words is "forty-seven million, four hundred thirty-eight thousand, six hundred eighty".