720728584246 has 32 divisors (see below), whose sum is σ = 1230753927168. Its totient is φ = 313334091840.

The previous prime is 720728584243. The next prime is 720728584259. The reversal of 720728584246 is 642485827027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720728584243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6784875 + ... + 6890281.

It is an arithmetic number, because the mean of its divisors is an integer number (38461060224).

Almost surely, 2^720728584246 is an apocalyptic number.

720728584246 is a deficient number, since it is larger than the sum of its proper divisors (510025342922).

720728584246 is a wasteful number, since it uses less digits than its factorization.

720728584246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118956.

The product of its (nonzero) digits is 12042240, while the sum is 55.

The spelling of 720728584246 in words is "seven hundred twenty billion, seven hundred twenty-eight million, five hundred eighty-four thousand, two hundred forty-six".