47478543 has 16 divisors (see below), whose sum is σ = 73341696. Its totient is φ = 26758080.

The previous prime is 47478523. The next prime is 47478551. The reversal of 47478543 is 34587474.

It is not a de Polignac number, because 47478543 - 2⁶ = 47478479 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47478495 and 47478504.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13953 + ... + 17018.

It is an arithmetic number, because the mean of its divisors is an integer number (4583856).

Almost surely, 2^47478543 is an apocalyptic number.

47478543 is a deficient number, since it is larger than the sum of its proper divisors (25863153).

47478543 is a wasteful number, since it uses less digits than its factorization.

47478543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31054.

The product of its digits is 376320, while the sum is 42.

The square root of 47478543 is about 6890.4675458201. The cubic root of 47478543 is about 362.1032818859.

The spelling of 47478543 in words is "forty-seven million, four hundred seventy-eight thousand, five hundred forty-three".