730139170 has 16 divisors (see below), whose sum is σ = 1315709568. Its totient is φ = 291731440.

The previous prime is 730139161. The next prime is 730139173. The reversal of 730139170 is 71931037.

It is not an unprimeable number, because it can be changed into a prime (730139173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30964 + ... + 49183.

It is an arithmetic number, because the mean of its divisors is an integer number (82231848).

Almost surely, 2^730139170 is an apocalyptic number.

730139170 is a deficient number, since it is larger than the sum of its proper divisors (585570398).

730139170 is a wasteful number, since it uses less digits than its factorization.

730139170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81065.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 730139170 is about 27021.0875058721. The cubic root of 730139170 is about 900.4685502637.

The spelling of 730139170 in words is "seven hundred thirty million, one hundred thirty-nine thousand, one hundred seventy".