47172608 has 44 divisors (see below), whose sum is σ = 107786832. Its totient is φ = 20213760.

The previous prime is 47172599. The next prime is 47172659. The reversal of 47172608 is 80627174.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878 + ... + 10458.

Almost surely, 2^47172608 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 47172608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53893416).

47172608 is an abundant number, since it is smaller than the sum of its proper divisors (60614224).

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

47172608 is an equidigital number, since it uses as much as digits as its factorization.

47172608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608 (or 6590 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 47172608 is about 6868.2317957390. The cubic root of 47172608 is about 361.3238500376.

The spelling of 47172608 in words is "forty-seven million, one hundred seventy-two thousand, six hundred eight".