730628613 has 48 divisors (see below), whose sum is σ = 1281353920. Its totient is φ = 408719520.

The previous prime is 730628611. The next prime is 730628623. The reversal of 730628613 is 316826037.

It is a happy number.

730628613 is a `hidden beast` number, since 7 + 30 + 6 + 2 + 8 + 613 = 666.

It is not a de Polignac number, because 730628613 - 2¹ = 730628611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730628611) 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 47 ways as a sum of consecutive naturals, for example, 33870 + ... + 51072.

Almost surely, 2^730628613 is an apocalyptic number.

It is an amenable number.

730628613 is a deficient number, since it is larger than the sum of its proper divisors (550725307).

730628613 is a wasteful number, since it uses less digits than its factorization.

730628613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17247 (or 17230 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 730628613 is about 27030.1426744292. The cubic root of 730628613 is about 900.6697126375.

The spelling of 730628613 in words is "seven hundred thirty million, six hundred twenty-eight thousand, six hundred thirteen".