730434407 has 4 divisors (see below), whose sum is σ = 730539096. Its totient is φ = 730329720.

The previous prime is 730434401. The next prime is 730434409. The reversal of 730434407 is 704434037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704434037 = 157 ⋅4486841.

It is a cyclic number.

It is not a de Polignac number, because 730434407 - 2¹⁰ = 730433383 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 (730434401) 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, 41069 + ... + 56102.

It is an arithmetic number, because the mean of its divisors is an integer number (182634774).

Almost surely, 2^730434407 is an apocalyptic number.

730434407 is a deficient number, since it is larger than the sum of its proper divisors (104689).

730434407 is an equidigital number, since it uses as much as digits as its factorization.

730434407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104688.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 730434407 is about 27026.5500388044. The cubic root of 730434407 is about 900.5899042098.

The spelling of 730434407 in words is "seven hundred thirty million, four hundred thirty-four thousand, four hundred seven".