670000701271721 has 8 divisors (see below), whose sum is σ = 679615139761344. Its totient is φ = 660444709217200.

The previous prime is 670000701271639. The next prime is 670000701271723. The reversal of 670000701271721 is 127172107000076.

670000701271721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 670000701271721 - 2¹⁴ = 670000701255337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (670000701271723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14611585685 + ... + 14611631538.

It is an arithmetic number, because the mean of its divisors is an integer number (84951892470168).

Almost surely, 2^{670000701271721} is an apocalyptic number.

It is an amenable number.

670000701271721 is a deficient number, since it is larger than the sum of its proper divisors (9614438489623).

670000701271721 is a wasteful number, since it uses less digits than its factorization.

670000701271721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29223217551.

The product of its (nonzero) digits is 57624, while the sum is 41.

Adding to 670000701271721 its reverse (127172107000076), we get a palindrome (797172808271797).

The spelling of 670000701271721 in words is "six hundred seventy trillion, seven hundred one million, two hundred seventy-one thousand, seven hundred twenty-one".