730247265 has 64 divisors (see below), whose sum is σ = 1420312320. Its totient is φ = 353041920.

The previous prime is 730247261. The next prime is 730247267. The reversal of 730247265 is 562742037.

It is a happy number.

It is not a de Polignac number, because 730247265 - 2² = 730247261 is a prime.

It is a super-2 number, since 2×730247265² = 1066522136079960450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730247261) 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 63 ways as a sum of consecutive naturals, for example, 915847 + ... + 916643.

It is an arithmetic number, because the mean of its divisors is an integer number (22192380).

Almost surely, 2^730247265 is an apocalyptic number.

It is an amenable number.

730247265 is a deficient number, since it is larger than the sum of its proper divisors (690065055).

730247265 is a wasteful number, since it uses less digits than its factorization.

730247265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 730247265 is about 27023.0876289146. The cubic root of 730247265 is about 900.5129853289.

The spelling of 730247265 in words is "seven hundred thirty million, two hundred forty-seven thousand, two hundred sixty-five".