47310000 has 200 divisors, whose sum is σ = 162697920. Its totient is φ = 11808000.

The previous prime is 47309989. The next prime is 47310007. The reversal of 47310000 is 1374.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×47310000² = 4476472200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47310007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 569959 + ... + 570041.

Almost surely, 2^47310000 is an apocalyptic number.

47310000 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 47310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81348960).

47310000 is an abundant number, since it is smaller than the sum of its proper divisors (115387920).

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

47310000 is a wasteful number, since it uses less digits than its factorization.

47310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 47310000 is about 6878.2265156071. The cubic root of 47310000 is about 361.6742998052.

Adding to 47310000 its reverse (1374), we get a palindrome (47311374).

The spelling of 47310000 in words is "forty-seven million, three hundred ten thousand".