47644680 has 64 divisors (see below), whose sum is σ = 147873600. Its totient is φ = 12266240.

The previous prime is 47644679. The next prime is 47644697. The reversal of 47644680 is 8644674.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3366 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (2310525).

Almost surely, 2^47644680 is an apocalyptic number.

47644680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47644680 is an abundant number, since it is smaller than the sum of its proper divisors (100228920).

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

47644680 is a wasteful number, since it uses less digits than its factorization.

47644680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734 (or 13730 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 47644680 is about 6902.5125860081. The cubic root of 47644680 is about 362.5251476807.

The spelling of 47644680 in words is "forty-seven million, six hundred forty-four thousand, six hundred eighty".