723072250 has 16 divisors (see below), whose sum is σ = 1353591720. Its totient is φ = 289228800.

The previous prime is 723072247. The next prime is 723072263. The reversal of 723072250 is 52270327.

It can be written as a sum of positive squares in 4 ways, for example, as 154678969 + 568393281 = 12437^2 + 23841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445895 + ... + 1446394.

Almost surely, 2^723072250 is an apocalyptic number.

723072250 is a deficient number, since it is larger than the sum of its proper divisors (630519470).

723072250 is a wasteful number, since it uses less digits than its factorization.

723072250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892306 (or 2892296 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 723072250 is about 26890.0027891408. The cubic root of 723072250 is about 897.5539548003.

The spelling of 723072250 in words is "seven hundred twenty-three million, seventy-two thousand, two hundred fifty".