730437 has 4 divisors (see below), whose sum is σ = 973920. Its totient is φ = 486956.

The previous prime is 730421. The next prime is 730447. The reversal of 730437 is 734037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 730437 - 2⁴ = 730421 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730447) 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, 121737 + ... + 121742.

It is an arithmetic number, because the mean of its divisors is an integer number (243480).

2⁷³⁰⁴³⁷ is an apocalyptic number.

It is an amenable number.

730437 is a deficient number, since it is larger than the sum of its proper divisors (243483).

730437 is a wasteful number, since it uses less digits than its factorization.

730437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243482.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 730437 is about 854.6560711772. The cubic root of 730437 is about 90.0590969889.

Subtracting 730437 from its reverse (734037), we obtain a square (3600 = 60²).

The spelling of 730437 in words is "seven hundred thirty thousand, four hundred thirty-seven".