730216536 has 64 divisors (see below), whose sum is σ = 2091118080. Its totient is φ = 208154880.

The previous prime is 730216523. The next prime is 730216537. The reversal of 730216536 is 635612037.

It is a junction number, because it is equal to n+sod(n) for n = 730216497 and 730216506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730216537) 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 15 ways as a sum of consecutive naturals, for example, 72021 + ... + 81531.

It is an arithmetic number, because the mean of its divisors is an integer number (32673720).

Almost surely, 2^730216536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730216536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045559040).

730216536 is an abundant number, since it is smaller than the sum of its proper divisors (1360901544).

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

730216536 is a wasteful number, since it uses less digits than its factorization.

730216536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984 (or 9980 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 730216536 is about 27022.5190535598. The cubic root of 730216536 is about 900.5003538761.

The spelling of 730216536 in words is "seven hundred thirty million, two hundred sixteen thousand, five hundred thirty-six".