670007001205 has 4 divisors (see below), whose sum is σ = 804008401452. Its totient is φ = 536005600960.

The previous prime is 670007001203. The next prime is 670007001259. The reversal of 670007001205 is 502100700076.

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

It can be written as a sum of positive squares in 2 ways, for example, as 226886458276 + 443120542929 = 476326^2 + 665673^2 .

It is not a de Polignac number, because 670007001205 - 2¹ = 670007001203 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 (670007001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67000700116 + ... + 67000700125.

It is an arithmetic number, because the mean of its divisors is an integer number (201002100363).

Almost surely, 2^670007001205 is an apocalyptic number.

It is an amenable number.

670007001205 is a deficient number, since it is larger than the sum of its proper divisors (134001400247).

670007001205 is a wasteful number, since it uses less digits than its factorization.

670007001205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134001400246.

The product of its (nonzero) digits is 2940, while the sum is 28.

The spelling of 670007001205 in words is "six hundred seventy billion, seven million, one thousand, two hundred five".