720679278 has 16 divisors (see below), whose sum is σ = 1572391296. Its totient is φ = 218387640.

The previous prime is 720679273. The next prime is 720679279. The reversal of 720679278 is 872976027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720679273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5459626 + ... + 5459757.

It is an arithmetic number, because the mean of its divisors is an integer number (98274456).

Almost surely, 2^720679278 is an apocalyptic number.

720679278 is an abundant number, since it is smaller than the sum of its proper divisors (851712018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720679278 is a wasteful number, since it uses less digits than its factorization.

720679278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919399.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 720679278 is about 26845.4703441754. The cubic root of 720679278 is about 896.5627236483.

The spelling of 720679278 in words is "seven hundred twenty million, six hundred seventy-nine thousand, two hundred seventy-eight".