730723089 has 4 divisors (see below), whose sum is σ = 974297456. Its totient is φ = 487148724.

The previous prime is 730723079. The next prime is 730723111. The reversal of 730723089 is 980327037.

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 730723089 - 2⁴ = 730723073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730723079) 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, 121787179 + ... + 121787184.

It is an arithmetic number, because the mean of its divisors is an integer number (243574364).

Almost surely, 2^730723089 is an apocalyptic number.

It is an amenable number.

730723089 is a deficient number, since it is larger than the sum of its proper divisors (243574367).

730723089 is a wasteful number, since it uses less digits than its factorization.

730723089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243574366.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 730723089 is about 27031.8902224761. The cubic root of 730723089 is about 900.7085321795.

The spelling of 730723089 in words is "seven hundred thirty million, seven hundred twenty-three thousand, eighty-nine".