47317950 has 72 divisors (see below), whose sum is σ = 129005136. Its totient is φ = 12432000.

The previous prime is 47317927. The next prime is 47317981. The reversal of 47317950 is 5971374.

It is a happy number.

47317950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31210 + ... + 32690.

It is an arithmetic number, because the mean of its divisors is an integer number (1791738).

Almost surely, 2^47317950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47317950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64502568).

47317950 is an abundant number, since it is smaller than the sum of its proper divisors (81687186).

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

47317950 is a wasteful number, since it uses less digits than its factorization.

47317950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 47317950 is about 6878.8044019292. The cubic root of 47317950 is about 361.6945573239.

The spelling of 47317950 in words is "forty-seven million, three hundred seventeen thousand, nine hundred fifty".