47172576 has 144 divisors (see below), whose sum is σ = 141571584. Its totient is φ = 13728000.

The previous prime is 47172529. The next prime is 47172577. The reversal of 47172576 is 67527174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47172577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360031 + ... + 360161.

It is an arithmetic number, because the mean of its divisors is an integer number (983136).

Almost surely, 2^47172576 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 47172576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70785792).

47172576 is an abundant number, since it is smaller than the sum of its proper divisors (94399008).

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

47172576 is a wasteful number, since it uses less digits than its factorization.

47172576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 178 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 47172576 is about 6868.2294661725. The cubic root of 47172576 is about 361.3237683350.

The spelling of 47172576 in words is "forty-seven million, one hundred seventy-two thousand, five hundred seventy-six".