720705314 has 16 divisors (see below), whose sum is σ = 1268887488. Its totient is φ = 300525552.

The previous prime is 720705311. The next prime is 720705319. The reversal of 720705314 is 413507027.

720705314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×720705314² = 1038832299255677192, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (720705311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695144 + ... + 696179.

It is an arithmetic number, because the mean of its divisors is an integer number (79305468).

Almost surely, 2^720705314 is an apocalyptic number.

720705314 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

720705314 is a deficient number, since it is larger than the sum of its proper divisors (548182174).

720705314 is a wasteful number, since it uses less digits than its factorization.

720705314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391369.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 720705314 is about 26845.9552633167. The cubic root of 720705314 is about 896.5735202337.

The spelling of 720705314 in words is "seven hundred twenty million, seven hundred five thousand, three hundred fourteen".