720643114 has 4 divisors (see below), whose sum is σ = 1080964674. Its totient is φ = 360321556.

The previous prime is 720643097. The next prime is 720643129. The reversal of 720643114 is 411346027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411346027 = 1471 ⋅279637.

It can be written as a sum of positive squares in only one way, i.e., 411481225 + 309161889 = 20285^2 + 17583^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180160777 + ... + 180160780.

Almost surely, 2^720643114 is an apocalyptic number.

720643114 is a deficient number, since it is larger than the sum of its proper divisors (360321560).

720643114 is a wasteful number, since it uses less digits than its factorization.

720643114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360321559.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 720643114 is about 26844.7967770292. The cubic root of 720643114 is about 896.5477267615.

The spelling of 720643114 in words is "seven hundred twenty million, six hundred forty-three thousand, one hundred fourteen".