730344873 has 4 divisors (see below), whose sum is σ = 973793168. Its totient is φ = 486896580.

The previous prime is 730344863. The next prime is 730344943. The reversal of 730344873 is 378443037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 730344873 - 2¹² = 730340777 is a prime.

It is a super-2 number, since 2×730344873² = 1066807267034772258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730344863) 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, 121724143 + ... + 121724148.

It is an arithmetic number, because the mean of its divisors is an integer number (243448292).

Almost surely, 2^730344873 is an apocalyptic number.

It is an amenable number.

730344873 is a deficient number, since it is larger than the sum of its proper divisors (243448295).

730344873 is a wasteful number, since it uses less digits than its factorization.

730344873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243448294.

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 730344873 is about 27024.8935798090. The cubic root of 730344873 is about 900.5531056917.

The spelling of 730344873 in words is "seven hundred thirty million, three hundred forty-four thousand, eight hundred seventy-three".