720066723105 has 16 divisors (see below), whose sum is σ = 1219877743104. Its totient is φ = 361445256960.

The previous prime is 720066723091. The next prime is 720066723163. The reversal of 720066723105 is 501327660027.

720066723105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 720066723105 - 2²¹ = 720064625953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1411895281 + ... + 1411895790.

It is an arithmetic number, because the mean of its divisors is an integer number (76242358944).

Almost surely, 2^720066723105 is an apocalyptic number.

It is an amenable number.

720066723105 is a deficient number, since it is larger than the sum of its proper divisors (499811019999).

720066723105 is a wasteful number, since it uses less digits than its factorization.

720066723105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823791096.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 720066723105 in words is "seven hundred twenty billion, sixty-six million, seven hundred twenty-three thousand, one hundred five".