730804320 has 72 divisors (see below), whose sum is σ = 2493874656. Its totient is φ = 194880768.

The previous prime is 730804301. The next prime is 730804351. The reversal of 730804320 is 23408037.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 252312 + ... + 255191.

It is an arithmetic number, because the mean of its divisors is an integer number (34637148).

Almost surely, 2^730804320 is an apocalyptic number.

It is an amenable number.

730804320 is an abundant number, since it is smaller than the sum of its proper divisors (1763070336).

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

730804320 is a wasteful number, since it uses less digits than its factorization.

730804320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507524 (or 507513 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 730804320 is about 27033.3926838642. The cubic root of 730804320 is about 900.7419067664.

The spelling of 730804320 in words is "seven hundred thirty million, eight hundred four thousand, three hundred twenty".