730994880 has 672 divisors, whose sum is σ = 3113349120. Its totient is φ = 141926400.

The previous prime is 730994867. The next prime is 730994881. The reversal of 730994880 is 88499037.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730994881) 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 95 ways as a sum of consecutive naturals, for example, 23580465 + ... + 23580495.

It is an arithmetic number, because the mean of its divisors is an integer number (4632960).

Almost surely, 2^730994880 is an apocalyptic number.

730994880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556674560).

730994880 is an abundant number, since it is smaller than the sum of its proper divisors (2382354240).

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

730994880 is a wasteful number, since it uses less digits than its factorization.

730994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 730994880 is about 27036.9169840054. The cubic root of 730994880 is about 900.8201905861.

The spelling of 730994880 in words is "seven hundred thirty million, nine hundred ninety-four thousand, eight hundred eighty".