730073178 has 48 divisors (see below), whose sum is σ = 1622196576. Its totient is φ = 237172320.

The previous prime is 730073161. The next prime is 730073189. The reversal of 730073178 is 871370037.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 510901 + ... + 512327.

It is an arithmetic number, because the mean of its divisors is an integer number (33795762).

Almost surely, 2^730073178 is an apocalyptic number.

730073178 is an abundant number, since it is smaller than the sum of its proper divisors (892123398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730073178 is a wasteful number, since it uses less digits than its factorization.

730073178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 730073178 is about 27019.8663579226. The cubic root of 730073178 is about 900.4414204994.

The spelling of 730073178 in words is "seven hundred thirty million, seventy-three thousand, one hundred seventy-eight".