670240735207 has 4 divisors (see below), whose sum is σ = 673117305120. Its totient is φ = 667364165296.

The previous prime is 670240735201. The next prime is 670240735231. The reversal of 670240735207 is 702537042076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670240735207 - 2⁷ = 670240735079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670240735201) 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, 1438284607 + ... + 1438285072.

It is an arithmetic number, because the mean of its divisors is an integer number (168279326280).

Almost surely, 2^670240735207 is an apocalyptic number.

670240735207 is a deficient number, since it is larger than the sum of its proper divisors (2876569913).

670240735207 is a wasteful number, since it uses less digits than its factorization.

670240735207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876569912.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 670240735207 in words is "six hundred seventy billion, two hundred forty million, seven hundred thirty-five thousand, two hundred seven".