730465 has 4 divisors (see below), whose sum is σ = 876564. Its totient is φ = 584368.

The previous prime is 730459. The next prime is 730469. The reversal of 730465 is 564037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564037 = 41 ⋅13757.

It can be written as a sum of positive squares in 2 ways, for example, as 564001 + 166464 = 751^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 730465 - 2¹¹ = 728417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730469) 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, 73042 + ... + 73051.

It is an arithmetic number, because the mean of its divisors is an integer number (219141).

2⁷³⁰⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

730465 is a deficient number, since it is larger than the sum of its proper divisors (146099).

730465 is a wasteful number, since it uses less digits than its factorization.

730465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146098.

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

The square root of 730465 is about 854.6724518785. The cubic root of 730465 is about 90.0602477259.

The spelling of 730465 in words is "seven hundred thirty thousand, four hundred sixty-five".