730258661 has 16 divisors (see below), whose sum is σ = 834643968. Its totient is φ = 632847600.

The previous prime is 730258649. The next prime is 730258663. The reversal of 730258661 is 166852037.

It is not a de Polignac number, because 730258661 - 2¹⁴ = 730242277 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 (730258663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6866 + ... + 38828.

It is an arithmetic number, because the mean of its divisors is an integer number (52165248).

Almost surely, 2^730258661 is an apocalyptic number.

It is an amenable number.

730258661 is a deficient number, since it is larger than the sum of its proper divisors (104385307).

730258661 is a wasteful number, since it uses less digits than its factorization.

730258661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32072.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 730258661 is about 27023.2984848260. The cubic root of 730258661 is about 900.5176696750.

The spelling of 730258661 in words is "seven hundred thirty million, two hundred fifty-eight thousand, six hundred sixty-one".