720828214 has 16 divisors (see below), whose sum is σ = 1086566400. Its totient is φ = 358644520.

The previous prime is 720828187. The next prime is 720828223. The reversal of 720828214 is 412828027.

It is a self number, because there is not a number n which added to its sum of digits gives 720828214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458049 + ... + 459619.

It is an arithmetic number, because the mean of its divisors is an integer number (67910400).

Almost surely, 2^720828214 is an apocalyptic number.

720828214 is a deficient number, since it is larger than the sum of its proper divisors (365738186).

720828214 is a wasteful number, since it uses less digits than its factorization.

720828214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 720828214 is about 26848.2441511545. The cubic root of 720828214 is about 896.6244807861.

The spelling of 720828214 in words is "seven hundred twenty million, eight hundred twenty-eight thousand, two hundred fourteen".