720689114 has 8 divisors (see below), whose sum is σ = 1137930240. Its totient is φ = 341379036.

The previous prime is 720689111. The next prime is 720689149. The reversal of 720689114 is 411986027.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 18965503 = 720689114 / (7 + 2 + 0 + 6 + 8 + 9 + 1 + 1 + 4).

It is not an unprimeable number, because it can be changed into a prime (720689111) by changing a digit.

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, 9482714 + ... + 9482789.

It is an arithmetic number, because the mean of its divisors is an integer number (142241280).

Almost surely, 2^720689114 is an apocalyptic number.

720689114 is a deficient number, since it is larger than the sum of its proper divisors (417241126).

720689114 is a wasteful number, since it uses less digits than its factorization.

720689114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18965524.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 720689114 is about 26845.6535401916. The cubic root of 720689114 is about 896.5668024626.

The spelling of 720689114 in words is "seven hundred twenty million, six hundred eighty-nine thousand, one hundred fourteen".