670726574079 has 4 divisors (see below), whose sum is σ = 894302098776. Its totient is φ = 447151049384.

The previous prime is 670726574051. The next prime is 670726574083. The reversal of 670726574079 is 970475627076.

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 670726574079 - 2²³ = 670718185471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670726574029) 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, 111787762344 + ... + 111787762349.

It is an arithmetic number, because the mean of its divisors is an integer number (223575524694).

Almost surely, 2^670726574079 is an apocalyptic number.

670726574079 is a deficient number, since it is larger than the sum of its proper divisors (223575524697).

670726574079 is a wasteful number, since it uses less digits than its factorization.

670726574079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223575524696.

The product of its (nonzero) digits is 31116960, while the sum is 60.

The spelling of 670726574079 in words is "six hundred seventy billion, seven hundred twenty-six million, five hundred seventy-four thousand, seventy-nine".