720507267001 has 4 divisors (see below), whose sum is σ = 732318861604. Its totient is φ = 708695672400.

The previous prime is 720507266971. The next prime is 720507267013. The reversal of 720507267001 is 100762705027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100762705027 = 47 ⋅2143887341.

It can be written as a sum of positive squares in 2 ways, for example, as 234426398976 + 486080868025 = 484176^2 + 697195^2 .

It is a cyclic number.

It is not a de Polignac number, because 720507267001 - 2¹⁹ = 720506742713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720507267901) 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, 5905797210 + ... + 5905797331.

It is an arithmetic number, because the mean of its divisors is an integer number (183079715401).

Almost surely, 2^720507267001 is an apocalyptic number.

It is an amenable number.

720507267001 is a deficient number, since it is larger than the sum of its proper divisors (11811594603).

720507267001 is a wasteful number, since it uses less digits than its factorization.

720507267001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11811594602.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 720507267001 in words is "seven hundred twenty billion, five hundred seven million, two hundred sixty-seven thousand, one".