730038 has 16 divisors (see below), whose sum is σ = 1468656. Its totient is φ = 241920.

The previous prime is 730033. The next prime is 730049. The reversal of 730038 is 830037.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 729996 and 730023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (91791).

2⁷³⁰⁰³⁸ is an apocalyptic number.

730038 is an abundant number, since it is smaller than the sum of its proper divisors (738618).

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

730038 is a wasteful number, since it uses less digits than its factorization.

730038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 730038 is about 854.4226120603. The cubic root of 730038 is about 90.0426957914.

Subtracting 730038 from its reverse (830037), we obtain a palindrome (99999).

The spelling of 730038 in words is "seven hundred thirty thousand, thirty-eight".