730131165 has 24 divisors (see below), whose sum is σ = 1312435488. Its totient is φ = 389402640.

The previous prime is 730131137. The next prime is 730131167. The reversal of 730131165 is 561131037.

It is not a de Polignac number, because 730131165 - 2⁵ = 730131133 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730131167) 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 23 ways as a sum of consecutive naturals, for example, 299251 + ... + 301680.

It is an arithmetic number, because the mean of its divisors is an integer number (54684812).

Almost surely, 2^730131165 is an apocalyptic number.

It is an amenable number.

730131165 is a deficient number, since it is larger than the sum of its proper divisors (582304323).

730131165 is an equidigital number, since it uses as much as digits as its factorization.

730131165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600951 (or 600939 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 730131165 is about 27020.9393804138. The cubic root of 730131165 is about 900.4652594404.

The spelling of 730131165 in words is "seven hundred thirty million, one hundred thirty-one thousand, one hundred sixty-five".