730733221120 has 432 divisors, whose sum is σ = 2155528488960. Its totient is φ = 236247072768.

The previous prime is 730733221109. The next prime is 730733221181. The reversal of 730733221120 is 21122337037.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78207169 + ... + 78216511.

It is an arithmetic number, because the mean of its divisors is an integer number (4989649280).

Almost surely, 2^730733221120 is an apocalyptic number.

730733221120 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 730733221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077764244480).

730733221120 is an abundant number, since it is smaller than the sum of its proper divisors (1424795267840).

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

730733221120 is a wasteful number, since it uses less digits than its factorization.

730733221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450 (or 9429 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

Adding to 730733221120 its reverse (21122337037), we get a palindrome (751855558157).

The spelling of 730733221120 in words is "seven hundred thirty billion, seven hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty".