47478533 has 8 divisors (see below), whose sum is σ = 48733440. Its totient is φ = 46228320.

The previous prime is 47478523. The next prime is 47478551. The reversal of 47478533 is 33587474.

47478533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47478533 - 2⁴ = 47478517 is a prime.

It is a super-2 number, since 2×47478533² = 4508422191664178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47478503) by changing a digit.

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, 29516 + ... + 31082.

It is an arithmetic number, because the mean of its divisors is an integer number (6091680).

Almost surely, 2^47478533 is an apocalyptic number.

It is an amenable number.

47478533 is a deficient number, since it is larger than the sum of its proper divisors (1254907).

47478533 is a wasteful number, since it uses less digits than its factorization.

47478533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347.

The product of its digits is 282240, while the sum is 41.

The square root of 47478533 is about 6890.4668201799. The cubic root of 47478533 is about 362.1032564637.

The spelling of 47478533 in words is "forty-seven million, four hundred seventy-eight thousand, five hundred thirty-three".