47169980 has 48 divisors (see below), whose sum is σ = 116381664. Its totient is φ = 15832320.

The previous prime is 47169949. The next prime is 47170009. The reversal of 47169980 is 8996174.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 5387 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (2424618).

Almost surely, 2^47169980 is an apocalyptic number.

It is an amenable number.

47169980 is an abundant number, since it is smaller than the sum of its proper divisors (69211684).

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

47169980 is a wasteful number, since it uses less digits than its factorization.

47169980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16526 (or 16524 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 47169980 is about 6868.0404774579. The cubic root of 47169980 is about 361.3171400933.

The spelling of 47169980 in words is "forty-seven million, one hundred sixty-nine thousand, nine hundred eighty".