720642368902 has 8 divisors (see below), whose sum is σ = 1081276252056. Its totient is φ = 360216951552.

The previous prime is 720642368893. The next prime is 720642368903. The reversal of 720642368902 is 209863246027.

720642368902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720642368903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52107808 + ... + 52121635.

It is an arithmetic number, because the mean of its divisors is an integer number (135159531507).

Almost surely, 2^720642368902 is an apocalyptic number.

720642368902 is a deficient number, since it is larger than the sum of its proper divisors (360633883154).

720642368902 is a wasteful number, since it uses less digits than its factorization.

720642368902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104232902.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 720642368902 in words is "seven hundred twenty billion, six hundred forty-two million, three hundred sixty-eight thousand, nine hundred two".