730918272 has 64 divisors (see below), whose sum is σ = 2218867200. Its totient is φ = 208833024.

The previous prime is 730918271. The next prime is 730918273. The reversal of 730918272 is 272819037.

It is an interprime number because it is at equal distance from previous prime (730918271) and next prime (730918273).

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 730918272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730918271) 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, 133272 + ... + 138647.

It is an arithmetic number, because the mean of its divisors is an integer number (34669800).

Almost surely, 2^730918272 is an apocalyptic number.

It is an amenable number.

730918272 is an abundant number, since it is smaller than the sum of its proper divisors (1487948928).

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

730918272 is a wasteful number, since it uses less digits than its factorization.

730918272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271943 (or 271931 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 730918272 is about 27035.5002173069. The cubic root of 730918272 is about 900.7887209430.

The spelling of 730918272 in words is "seven hundred thirty million, nine hundred eighteen thousand, two hundred seventy-two".