47430140 has 36 divisors (see below), whose sum is σ = 104145384. Its totient is φ = 18143136.

The previous prime is 47430113. The next prime is 47430169. The reversal of 47430140 is 4103474.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8339 + ... + 12821.

Almost surely, 2^47430140 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 47430140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52072692).

47430140 is an abundant number, since it is smaller than the sum of its proper divisors (56715244).

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

47430140 is a wasteful number, since it uses less digits than its factorization.

47430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4513 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 47430140 is about 6886.9543341015. The cubic root of 47430140 is about 361.9801887757.

The spelling of 47430140 in words is "forty-seven million, four hundred thirty thousand, one hundred forty".