730564 has 6 divisors (see below), whose sum is σ = 1278494. Its totient is φ = 365280.

The previous prime is 730559. The next prime is 730567. The reversal of 730564 is 465037.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 24964 = 840^2 + 158^2 .

It is not an unprimeable number, because it can be changed into a prime (730567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91317 + ... + 91324.

2⁷³⁰⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

730564 is a deficient number, since it is larger than the sum of its proper divisors (547930).

730564 is a wasteful number, since it uses less digits than its factorization.

730564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182645 (or 182643 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 730564 is about 854.7303668409. The cubic root of 730564 is about 90.0643161671.

The spelling of 730564 in words is "seven hundred thirty thousand, five hundred sixty-four".