730415 has 16 divisors (see below), whose sum is σ = 1028160. Its totient is φ = 487680.

The previous prime is 730399. The next prime is 730421. The reversal of 730415 is 514037.

730415 = T₃₁₆ + T₃₁₇ + ... + T₃₂₉.

It is a happy number.

It is not a de Polignac number, because 730415 - 2⁴ = 730399 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2⁷³⁰⁴¹⁵ is an apocalyptic number.

730415 is a deficient number, since it is larger than the sum of its proper divisors (297745).

730415 is a wasteful number, since it uses less digits than its factorization.

730415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 730415 is about 854.6432004059. The cubic root of 730415 is about 90.0581928179.

The spelling of 730415 in words is "seven hundred thirty thousand, four hundred fifteen".