730170149 has 8 divisors (see below), whose sum is σ = 757599960. Its totient is φ = 702890496.

The previous prime is 730170139. The next prime is 730170223. The reversal of 730170149 is 941071037.

It can be written as a sum of positive squares in 4 ways, for example, as 218596225 + 511573924 = 14785^2 + 22618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730170149 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 (730170139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27584 + ... + 47129.

It is an arithmetic number, because the mean of its divisors is an integer number (94699995).

Almost surely, 2^730170149 is an apocalyptic number.

It is an amenable number.

730170149 is a deficient number, since it is larger than the sum of its proper divisors (27429811).

730170149 is a wasteful number, since it uses less digits than its factorization.

730170149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75079.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 730170149 is about 27021.6607372678. The cubic root of 730170149 is about 900.4812853796.

The spelling of 730170149 in words is "seven hundred thirty million, one hundred seventy thousand, one hundred forty-nine".