72430 has 8 divisors (see below), whose sum is σ = 130392. Its totient is φ = 28968.

The previous prime is 72421. The next prime is 72431. The reversal of 72430 is 3427.

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

It is a super-2 number, since 2×72430² = 10492209800, which contains 22 as substring.

It is a plaindrome in base 16.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72431) 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, 3612 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (16299).

2⁷²⁴³⁰ is an apocalyptic number.

72430 is a deficient number, since it is larger than the sum of its proper divisors (57962).

72430 is a wasteful number, since it uses less digits than its factorization.

72430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 72430 is about 269.1282222287. The cubic root of 72430 is about 41.6843302886.

Adding to 72430 its reverse (3427), we get a palindrome (75857).

The spelling of 72430 in words is "seventy-two thousand, four hundred thirty".