720670714 has 8 divisors (see below), whose sum is σ = 1098727668. Its totient is φ = 354428160.

The previous prime is 720670667. The next prime is 720670729. The reversal of 720670714 is 417076027.

It can be written as a sum of positive squares in 2 ways, for example, as 695218689 + 25452025 = 26367^2 + 5045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 720670714.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953447 + ... + 2953690.

Almost surely, 2^720670714 is an apocalyptic number.

720670714 is a deficient number, since it is larger than the sum of its proper divisors (378056954).

720670714 is a wasteful number, since it uses less digits than its factorization.

720670714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907200.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 720670714 is about 26845.3108382079. The cubic root of 720670714 is about 896.5591722796.

The spelling of 720670714 in words is "seven hundred twenty million, six hundred seventy thousand, seven hundred fourteen".