47471700 has 72 divisors (see below), whose sum is σ = 138150880. Its totient is φ = 12585600.

The previous prime is 47471687. The next prime is 47471707. The reversal of 47471700 is 717474.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47471707) 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, 68355 + ... + 69045.

Almost surely, 2^47471700 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 47471700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69075440).

47471700 is an abundant number, since it is smaller than the sum of its proper divisors (90679180).

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

47471700 is a wasteful number, since it uses less digits than its factorization.

47471700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 47471700 is about 6889.9709723627. The cubic root of 47471700 is about 362.0858846109.

The spelling of 47471700 in words is "forty-seven million, four hundred seventy-one thousand, seven hundred".