730681330401 has 27 divisors (see below), whose sum is σ = 1160143980177. Its totient is φ = 442820073960.

The previous prime is 730681330391. The next prime is 730681330403. The reversal of 730681330401 is 104033186037.

The square root of 730681330401 is 854799.

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

It is not a de Polignac number, because 730681330401 - 2¹⁷ = 730681199329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730681330403) 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, 28195416 + ... + 28221318.

Almost surely, 2^730681330401 is an apocalyptic number.

730681330401 is the 854799-th square number.

730681330401 is the 427400-th centered octagonal number.

It is an amenable number.

730681330401 is a deficient number, since it is larger than the sum of its proper divisors (429462649776).

730681330401 is an frugal number, since it uses more digits than its factorization.

730681330401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51834 (or 25917 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Multiplying 730681330401 by its sum of digits (36), we get a square (26304527894436 = 5128794²).

The spelling of 730681330401 in words is "seven hundred thirty billion, six hundred eighty-one million, three hundred thirty thousand, four hundred one".