47140000 has 60 divisors (see below), whose sum is σ = 116020674. Its totient is φ = 18848000.

The previous prime is 47139979. The next prime is 47140001. The reversal of 47140000 is 4174.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 190096 + 46949904 = 436^2 + 6852^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (47140001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18822 + ... + 21178.

Almost surely, 2^47140000 is an apocalyptic number.

47140000 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 47140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58010337).

47140000 is an abundant number, since it is smaller than the sum of its proper divisors (68880674).

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

47140000 is an equidigital number, since it uses as much as digits as its factorization.

47140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 47140000 is about 6865.8575575087. The cubic root of 47140000 is about 361.2405759765.

Adding to 47140000 its reverse (4174), we get a palindrome (47144174).

The spelling of 47140000 in words is "forty-seven million, one hundred forty thousand".