730435664 has 80 divisors (see below), whose sum is σ = 1680309120. Its totient is φ = 301086720.

The previous prime is 730435649. The next prime is 730435681. The reversal of 730435664 is 466534037.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 334127 + ... + 336305.

It is an arithmetic number, because the mean of its divisors is an integer number (21003864).

Almost surely, 2^730435664 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 730435664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840154560).

730435664 is an abundant number, since it is smaller than the sum of its proper divisors (949873456).

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

730435664 is a wasteful number, since it uses less digits than its factorization.

730435664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 730435664 is about 27026.5732937048. The cubic root of 730435664 is about 900.5904208160.

The spelling of 730435664 in words is "seven hundred thirty million, four hundred thirty-five thousand, six hundred sixty-four".