47470000 has 100 divisors (see below), whose sum is σ = 118537056. Its totient is φ = 18400000.

The previous prime is 47469977. The next prime is 47470009. The reversal of 47470000 is 7474.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47470009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 469950 + ... + 470050.

Almost surely, 2^47470000 is an apocalyptic number.

47470000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59268528).

47470000 is an abundant number, since it is smaller than the sum of its proper divisors (71067056).

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

47470000 is a wasteful number, since it uses less digits than its factorization.

47470000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 47470000 is about 6889.8476035396. The cubic root of 47470000 is about 362.0815623631.

Adding to 47470000 its reverse (7474), we get a palindrome (47477474).

It can be divided in two parts, 47 and 470000, that multiplied together give a square (22090000 = 4700²).

The spelling of 47470000 in words is "forty-seven million, four hundred seventy thousand".