670000406705 has 16 divisors (see below), whose sum is σ = 918961752960. Its totient is φ = 459376824192.

The previous prime is 670000406687. The next prime is 670000406717. The reversal of 670000406705 is 507604000076.

It is a cyclic number.

It is not a de Polignac number, because 670000406705 - 2⁶ = 670000406641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769100 + ... + 1389789.

It is an arithmetic number, because the mean of its divisors is an integer number (57435109560).

Almost surely, 2^670000406705 is an apocalyptic number.

It is an amenable number.

670000406705 is a deficient number, since it is larger than the sum of its proper divisors (248961346255).

670000406705 is a wasteful number, since it uses less digits than its factorization.

670000406705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167768.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 670000406705 in words is "six hundred seventy billion, four hundred six thousand, seven hundred five".