730456 has 32 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 332800.

The previous prime is 730451. The next prime is 730459. The reversal of 730456 is 654037.

730456 = T₆₅ + T₆₆ + ... + T₁₆₆.

It is a self number, because there is not a number n which added to its sum of digits gives 730456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730451) 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, 5511 + ... + 5641.

2⁷³⁰⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

730456 is an abundant number, since it is smaller than the sum of its proper divisors (766424).

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

730456 is a wasteful number, since it uses less digits than its factorization.

730456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 191 counting only the distinct ones).

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

The square root of 730456 is about 854.6671866873. The cubic root of 730456 is about 90.0598778493.

The spelling of 730456 in words is "seven hundred thirty thousand, four hundred fifty-six".