720634748 has 12 divisors (see below), whose sum is σ = 1264123560. Its totient is φ = 359456592.

The previous prime is 720634727. The next prime is 720634751. The reversal of 720634748 is 847436027.

720634748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213311 + ... + 216662.

It is an arithmetic number, because the mean of its divisors is an integer number (105343630).

Almost surely, 2^720634748 is an apocalyptic number.

It is an amenable number.

720634748 is a deficient number, since it is larger than the sum of its proper divisors (543488812).

720634748 is a wasteful number, since it uses less digits than its factorization.

720634748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430396 (or 430394 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 720634748 is about 26844.6409549467. The cubic root of 720634748 is about 896.5442573848.

The spelling of 720634748 in words is "seven hundred twenty million, six hundred thirty-four thousand, seven hundred forty-eight".