716667236 has 6 divisors (see below), whose sum is σ = 1254167670. Its totient is φ = 358333616.

The previous prime is 716667209. The next prime is 716667241. The reversal of 716667236 is 632766617.

It can be written as a sum of positive squares in only one way, i.e., 672364900 + 44302336 = 25930^2 + 6656^2 .

It is a super-2 number, since 2×716667236² = 1027223854311759392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89583401 + ... + 89583408.

It is an arithmetic number, because the mean of its divisors is an integer number (209027945).

Almost surely, 2^716667236 is an apocalyptic number.

It is an amenable number.

716667236 is a deficient number, since it is larger than the sum of its proper divisors (537500434).

716667236 is a wasteful number, since it uses less digits than its factorization.

716667236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179166813 (or 179166811 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 716667236 is about 26770.6413072231. The cubic root of 716667236 is about 894.8958966751.

The spelling of 716667236 in words is "seven hundred sixteen million, six hundred sixty-seven thousand, two hundred thirty-six".