670713767745 has 16 divisors (see below), whose sum is σ = 1226448032640. Its totient is φ = 306612008064.

The previous prime is 670713767743. The next prime is 670713767791. The reversal of 670713767745 is 547767317076.

It is a happy number.

670713767745 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 670713767745 - 2¹ = 670713767743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670713767741) 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, 3193874980 + ... + 3193875189.

It is an arithmetic number, because the mean of its divisors is an integer number (76653002040).

Almost surely, 2^670713767745 is an apocalyptic number.

It is an amenable number.

670713767745 is a deficient number, since it is larger than the sum of its proper divisors (555734264895).

670713767745 is a wasteful number, since it uses less digits than its factorization.

670713767745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387750184.

The product of its (nonzero) digits is 36303120, while the sum is 60.

The spelling of 670713767745 in words is "six hundred seventy billion, seven hundred thirteen million, seven hundred sixty-seven thousand, seven hundred forty-five".