730027861 has 16 divisors (see below), whose sum is σ = 784000000. Its totient is φ = 677744496.

The previous prime is 730027811. The next prime is 730027891. The reversal of 730027861 is 168720037.

It is a cyclic number.

It is not a de Polignac number, because 730027861 - 2⁷ = 730027733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730027811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206890 + ... + 210388.

It is an arithmetic number, because the mean of its divisors is an integer number (49000000).

Almost surely, 2^730027861 is an apocalyptic number.

It is an amenable number.

730027861 is a deficient number, since it is larger than the sum of its proper divisors (53972139).

730027861 is a wasteful number, since it uses less digits than its factorization.

730027861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 730027861 is about 27019.0277582299. The cubic root of 730027861 is about 900.4227894226.

Adding to 730027861 its reverse (168720037), we get a palindrome (898747898).

The spelling of 730027861 in words is "seven hundred thirty million, twenty-seven thousand, eight hundred sixty-one".