730881792 has 216 divisors, whose sum is σ = 2261808640. Its totient is φ = 235146240.

The previous prime is 730881769. The next prime is 730881817. The reversal of 730881792 is 297188037.

It is a tau number, because it is divible by the number of its divisors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1928259 + ... + 1928637.

Almost surely, 2^730881792 is an apocalyptic number.

730881792 is a gapful number since it is divisible by the number (72) 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 730881792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130904320).

730881792 is an abundant number, since it is smaller than the sum of its proper divisors (1530926848).

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

730881792 is an equidigital number, since it uses as much as digits as its factorization.

730881792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 730881792 is about 27034.8255404025. The cubic root of 730881792 is about 900.7737346257.

The spelling of 730881792 in words is "seven hundred thirty million, eight hundred eighty-one thousand, seven hundred ninety-two".