71403 has 4 divisors (see below), whose sum is σ = 95208. Its totient is φ = 47600.

The previous prime is 71399. The next prime is 71411. The reversal of 71403 is 30417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30417 = 3 ⋅10139.

It is a cyclic number.

It is not a de Polignac number, because 71403 - 2² = 71399 is a prime.

It is a D-number.

71403 is a lucky number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 71403.

It is not an unprimeable number, because it can be changed into a prime (71413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11898 + ... + 11903.

It is an arithmetic number, because the mean of its divisors is an integer number (23802).

2⁷¹⁴⁰³ is an apocalyptic number.

71403 is a deficient number, since it is larger than the sum of its proper divisors (23805).

71403 is a wasteful number, since it uses less digits than its factorization.

71403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23804.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 71403 is about 267.2133978677. The cubic root of 71403 is about 41.4863747790.

It can be divided in two parts, 71 and 403, that added together give a palindrome (474).

The spelling of 71403 in words is "seventy-one thousand, four hundred three", and thus it is an iban number.