730496 has 32 divisors (see below), whose sum is σ = 1570800. Its totient is φ = 336384.

The previous prime is 730487. The next prime is 730537. The reversal of 730496 is 694037.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730496.

It is an unprimeable number.

730496 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 1883.

2⁷³⁰⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785400).

730496 is an abundant number, since it is smaller than the sum of its proper divisors (840304).

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

730496 is a wasteful number, since it uses less digits than its factorization.

730496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 730496 is about 854.6905872888. The cubic root of 730496 is about 90.0615217217.

It can be divided in two parts, 7 and 30496, that added together give a palindrome (30503).

The spelling of 730496 in words is "seven hundred thirty thousand, four hundred ninety-six".