730544 has 10 divisors (see below), whose sum is σ = 1415460. Its totient is φ = 365264.

The previous prime is 730537. The next prime is 730553. The reversal of 730544 is 445037.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730544.

It is an unprimeable number.

730544 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 as a sum of consecutive naturals, namely, 22814 + ... + 22845.

It is an arithmetic number, because the mean of its divisors is an integer number (141546).

2⁷³⁰⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

730544 is a deficient number, since it is larger than the sum of its proper divisors (684916).

730544 is a wasteful number, since it uses less digits than its factorization.

730544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45667 (or 45661 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 730544 is about 854.7186671648. The cubic root of 730544 is about 90.0634942894.

The spelling of 730544 in words is "seven hundred thirty thousand, five hundred forty-four".