47403 has 12 divisors (see below), whose sum is σ = 71760. Its totient is φ = 30096.

The previous prime is 47389. The next prime is 47407. The reversal of 47403 is 30474.

It is not a de Polignac number, because 47403 - 2⁴ = 47387 is a prime.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47403.

It is not an unprimeable number, because it can be changed into a prime (47407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93 + ... + 321.

It is an arithmetic number, because the mean of its divisors is an integer number (5980).

2⁴⁷⁴⁰³ is an apocalyptic number.

47403 is the 138-th heptagonal number.

47403 is a deficient number, since it is larger than the sum of its proper divisors (24357).

47403 is a wasteful number, since it uses less digits than its factorization.

47403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 47403 is about 217.7223001899. The cubic root of 47403 is about 36.1911132709.

Adding to 47403 its reverse (30474), we get a palindrome (77877).

The spelling of 47403 in words is "forty-seven thousand, four hundred three", and thus it is an iban number.