47457858 has 32 divisors (see below), whose sum is σ = 114186240. Its totient is φ = 12845520.

The previous prime is 47457821. The next prime is 47457859. The reversal of 47457858 is 85875474.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47457859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28938 + ... + 30533.

It is an arithmetic number, because the mean of its divisors is an integer number (3568320).

Almost surely, 2^47457858 is an apocalyptic number.

47457858 is an abundant number, since it is smaller than the sum of its proper divisors (66728382).

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

47457858 is a wasteful number, since it uses less digits than its factorization.

47457858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59502.

The product of its digits is 1254400, while the sum is 48.

The square root of 47457858 is about 6888.9663956213. The cubic root of 47457858 is about 362.0506883428.

The spelling of 47457858 in words is "forty-seven million, four hundred fifty-seven thousand, eight hundred fifty-eight".