730044017021 has 8 divisors (see below), whose sum is σ = 800454356064. Its totient is φ = 660307461520.

The previous prime is 730044017011. The next prime is 730044017033. The reversal of 730044017021 is 120710440037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730044017021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730044017011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168443615 + ... + 168447948.

It is an arithmetic number, because the mean of its divisors is an integer number (100056794508).

Almost surely, 2^730044017021 is an apocalyptic number.

It is an amenable number.

730044017021 is a deficient number, since it is larger than the sum of its proper divisors (70410339043).

730044017021 is a wasteful number, since it uses less digits than its factorization.

730044017021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336891771.

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 730044017021 its reverse (120710440037), we get a palindrome (850754457058).

The spelling of 730044017021 in words is "seven hundred thirty billion, forty-four million, seventeen thousand, twenty-one".