73430 has 16 divisors (see below), whose sum is σ = 151200. Its totient is φ = 25152.

The previous prime is 73421. The next prime is 73433. The reversal of 73430 is 3437.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 73399 and 73408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73433) by changing a digit.

73430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455 + ... + 594.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

2⁷³⁴³⁰ is an apocalyptic number.

73430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73430 is an abundant number, since it is smaller than the sum of its proper divisors (77770).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75600).

73430 is a wasteful number, since it uses less digits than its factorization.

73430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 73430 is about 270.9797040370. The cubic root of 73430 is about 41.8752914512.

Adding to 73430 its reverse (3437), we get a palindrome (76867).

The spelling of 73430 in words is "seventy-three thousand, four hundred thirty".