730992 has 40 divisors (see below), whose sum is σ = 1920016. Its totient is φ = 239616.

The previous prime is 730973. The next prime is 730993. The reversal of 730992 is 299037.

730992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 730992.

It is not an unprimeable number, because it can be changed into a prime (730993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4578 + ... + 4734.

2⁷³⁰⁹⁹² 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 730992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960008).

730992 is an abundant number, since it is smaller than the sum of its proper divisors (1189024).

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

730992 is a wasteful number, since it uses less digits than its factorization.

730992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 730992 is about 854.9807015366. The cubic root of 730992 is about 90.0819007557.

The spelling of 730992 in words is "seven hundred thirty thousand, nine hundred ninety-two".