730207237 has 4 divisors (see below), whose sum is σ = 734687200. Its totient is φ = 725727276.

The previous prime is 730207229. The next prime is 730207267. The reversal of 730207237 is 732702037.

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, and also an emirpimes, since its reverse is a distinct semiprime: 732702037 = 71 ⋅10319747.

It is a cyclic number.

It is not a de Polignac number, because 730207237 - 2³ = 730207229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730207199 and 730207208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730207207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2239737 + ... + 2240062.

It is an arithmetic number, because the mean of its divisors is an integer number (183671800).

Almost surely, 2^730207237 is an apocalyptic number.

It is an amenable number.

730207237 is a deficient number, since it is larger than the sum of its proper divisors (4479963).

730207237 is a wasteful number, since it uses less digits than its factorization.

730207237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479962.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 730207237 is about 27022.3469928132. The cubic root of 730207237 is about 900.4965313623.

The spelling of 730207237 in words is "seven hundred thirty million, two hundred seven thousand, two hundred thirty-seven".