723072100 has 27 divisors (see below), whose sum is σ = 1569650187. Its totient is φ = 289121280.

The previous prime is 723072089. The next prime is 723072121. The reversal of 723072100 is 1270327.

The square root of 723072100 is 26890.

It is a perfect power (a square), and thus also a powerful number.

723072100 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 4 ways, for example, as 325946916 + 397125184 = 18054^2 + 19928^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 267556 + ... + 270244.

Almost surely, 2^723072100 is an apocalyptic number.

723072100 is the 26890-th square number.

It is an amenable number.

723072100 is an abundant number, since it is smaller than the sum of its proper divisors (846578087).

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

723072100 is an equidigital number, since it uses as much as digits as its factorization.

723072100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The cubic root of 723072100 is about 897.5538927350.

The spelling of 723072100 in words is "seven hundred twenty-three million, seventy-two thousand, one hundred".