730960021444 has 81 divisors (see below), whose sum is σ = 1368231015501. Its totient is φ = 341642815200.

The previous prime is 730960021409. The next prime is 730960021447. The reversal of 730960021444 is 444120069037.

The square root of 730960021444 is 854962.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 85636999044 + 645323022400 = 292638^2 + 803320^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730960021397 and 730960021406.

It is not an unprimeable number, because it can be changed into a prime (730960021447) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4840794769 + ... + 4840794919.

Almost surely, 2^730960021444 is an apocalyptic number.

730960021444 is the 854962-nd square number.

It is an amenable number.

730960021444 is a deficient number, since it is larger than the sum of its proper divisors (637270994057).

730960021444 is a wasteful number, since it uses less digits than its factorization.

730960021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 730960021444 in words is "seven hundred thirty billion, nine hundred sixty million, twenty-one thousand, four hundred forty-four".