720216674 has 4 divisors (see below), whose sum is σ = 1080325014. Its totient is φ = 360108336.

The previous prime is 720216671. The next prime is 720216683. The reversal of 720216674 is 476612027.

720216674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 713157025 + 7059649 = 26705^2 + 2657^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (720216671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180054167 + ... + 180054170.

Almost surely, 2^720216674 is an apocalyptic number.

720216674 is a deficient number, since it is larger than the sum of its proper divisors (360108340).

720216674 is a wasteful number, since it uses less digits than its factorization.

720216674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360108339.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 720216674 is about 26836.8529078951. The cubic root of 720216674 is about 896.3708480619.

The spelling of 720216674 in words is "seven hundred twenty million, two hundred sixteen thousand, six hundred seventy-four".