47969152 has 128 divisors (see below), whose sum is σ = 123770880. Its totient is φ = 17971200.

The previous prime is 47969147. The next prime is 47969177. The reversal of 47969152 is 25196974.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 47969099 and 47969108.

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, 305458 + ... + 305614.

It is an arithmetic number, because the mean of its divisors is an integer number (966960).

Almost surely, 2^47969152 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 47969152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61885440).

47969152 is an abundant number, since it is smaller than the sum of its proper divisors (75801728).

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

47969152 is a wasteful number, since it uses less digits than its factorization.

47969152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 208 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 47969152 is about 6925.9766098363. The cubic root of 47969152 is about 363.3462483602.

The spelling of 47969152 in words is "forty-seven million, nine hundred sixty-nine thousand, one hundred fifty-two".