730100 has 54 divisors (see below), whose sum is σ = 1855350. Its totient is φ = 248640.

The previous prime is 730091. The next prime is 730111. The reversal of 730100 is 1037.

It can be written as a sum of positive squares in 3 ways, for example, as 784 + 729316 = 28^2 + 854^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 4826 + ... + 4974.

2⁷³⁰¹⁰⁰ is an apocalyptic number.

730100 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 730100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927675).

730100 is an abundant number, since it is smaller than the sum of its proper divisors (1125250).

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

730100 is a wasteful number, since it uses less digits than its factorization.

730100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 730100 is about 854.4588931014. The cubic root of 730100 is about 90.0452447405.

Adding to 730100 its reverse (1037), we get a palindrome (731137).

The spelling of 730100 in words is "seven hundred thirty thousand, one hundred".