47458140 has 24 divisors (see below), whose sum is σ = 132882960. Its totient is φ = 12655488.

The previous prime is 47458129. The next prime is 47458157. The reversal of 47458140 is 4185474.

47458140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395425 + ... + 395544.

It is an arithmetic number, because the mean of its divisors is an integer number (5536790).

Almost surely, 2^47458140 is an apocalyptic number.

It is an amenable number.

47458140 is an abundant number, since it is smaller than the sum of its proper divisors (85424820).

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

47458140 is a wasteful number, since it uses less digits than its factorization.

47458140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790981 (or 790979 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 47458140 is about 6888.9868631026. The cubic root of 47458140 is about 362.0514054569.

The spelling of 47458140 in words is "forty-seven million, four hundred fifty-eight thousand, one hundred forty".