71430 has 16 divisors (see below), whose sum is σ = 171504. Its totient is φ = 19040.

The previous prime is 71429. The next prime is 71437. The reversal of 71430 is 3417.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (10719).

2⁷¹⁴³⁰ is an apocalyptic number.

71430 is an abundant number, since it is smaller than the sum of its proper divisors (100074).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85752).

71430 is a wasteful number, since it uses less digits than its factorization.

71430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391.

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

The square root of 71430 is about 267.2639145115. The cubic root of 71430 is about 41.4916032753.

Adding to 71430 its reverse (3417), we get a palindrome (74847).

The spelling of 71430 in words is "seventy-one thousand, four hundred thirty".