730618076644 has 9 divisors (see below), whose sum is σ = 1278584625801. Its totient is φ = 365308183560.

The previous prime is 730618076641. The next prime is 730618076663. The reversal of 730618076644 is 446670816037.

The square root of 730618076644 is 854762.

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

730618076644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34461467044 + 696156609600 = 185638^2 + 834360^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730618076591 and 730618076600.

It is not an unprimeable number, because it can be changed into a prime (730618076641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1495834 + ... + 1923214.

Almost surely, 2^730618076644 is an apocalyptic number.

730618076644 is the 854762-nd square number.

It is an amenable number.

730618076644 is a deficient number, since it is larger than the sum of its proper divisors (547966549157).

730618076644 is an frugal number, since it uses more digits than its factorization.

730618076644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854766 (or 427383 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 730618076644 in words is "seven hundred thirty billion, six hundred eighteen million, seventy-six thousand, six hundred forty-four".