47453718 has 32 divisors (see below), whose sum is σ = 102848256. Its totient is φ = 14509728.

The previous prime is 47453699. The next prime is 47453729. The reversal of 47453718 is 81735474.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11205 + ... + 14847.

It is an arithmetic number, because the mean of its divisors is an integer number (3214008).

Almost surely, 2^47453718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47453718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51424128).

47453718 is an abundant number, since it is smaller than the sum of its proper divisors (55394538).

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

47453718 is a wasteful number, since it uses less digits than its factorization.

47453718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its digits is 94080, while the sum is 39.

The square root of 47453718 is about 6888.6659085777. The cubic root of 47453718 is about 362.0401601711.

The spelling of 47453718 in words is "forty-seven million, four hundred fifty-three thousand, seven hundred eighteen".