730057443 has 4 divisors (see below), whose sum is σ = 973409928. Its totient is φ = 486704960.

The previous prime is 730057423. The next prime is 730057507. The reversal of 730057443 is 344750037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 730057443 - 2⁵ = 730057411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730057423) 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, 121676238 + ... + 121676243.

It is an arithmetic number, because the mean of its divisors is an integer number (243352482).

Almost surely, 2^730057443 is an apocalyptic number.

730057443 is a deficient number, since it is larger than the sum of its proper divisors (243352485).

730057443 is a wasteful number, since it uses less digits than its factorization.

730057443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243352484.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 730057443 is about 27019.5751817085. The cubic root of 730057443 is about 900.4349514914.

The spelling of 730057443 in words is "seven hundred thirty million, fifty-seven thousand, four hundred forty-three".