670740073667 has 8 divisors (see below), whose sum is σ = 710211695616. Its totient is φ = 631270265472.

The previous prime is 670740073657. The next prime is 670740073721. The reversal of 670740073667 is 766370047076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670740073667 - 2¹⁶ = 670740008131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670740073607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348473 + ... + 1209509.

It is an arithmetic number, because the mean of its divisors is an integer number (88776461952).

Almost surely, 2^670740073667 is an apocalyptic number.

670740073667 is a deficient number, since it is larger than the sum of its proper divisors (39471621949).

670740073667 is a wasteful number, since it uses less digits than its factorization.

670740073667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906877.

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 670740073667 in words is "six hundred seventy billion, seven hundred forty million, seventy-three thousand, six hundred sixty-seven".