7300001730 has 32 divisors (see below), whose sum is σ = 20022862464. Its totient is φ = 1668571776.

The previous prime is 7300001719. The next prime is 7300001747. The reversal of 7300001730 is 371000037.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 7300001697 and 7300001706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17380747 + ... + 17381166.

It is an arithmetic number, because the mean of its divisors is an integer number (625714452).

Almost surely, 2^7300001730 is an apocalyptic number.

7300001730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7300001730 is an abundant number, since it is smaller than the sum of its proper divisors (12722860734).

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

7300001730 is a wasteful number, since it uses less digits than its factorization.

7300001730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34761930.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 7300001730 is about 85440.0475772339. The cubic root of 7300001730 is about 1939.8775678218.

Adding to 7300001730 its reverse (371000037), we get a palindrome (7671001767).

The spelling of 7300001730 in words is "seven billion, three hundred million, one thousand, seven hundred thirty".