670064145 has 8 divisors (see below), whose sum is σ = 1072102656. Its totient is φ = 357367536.

The previous prime is 670064137. The next prime is 670064147. The reversal of 670064145 is 541460076.

670064145 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 not a de Polignac number, because 670064145 - 2³ = 670064137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670064147) 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, 22335457 + ... + 22335486.

It is an arithmetic number, because the mean of its divisors is an integer number (134012832).

Almost surely, 2^670064145 is an apocalyptic number.

It is an amenable number.

670064145 is a deficient number, since it is larger than the sum of its proper divisors (402038511).

670064145 is a wasteful number, since it uses less digits than its factorization.

670064145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44670951.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 670064145 is about 25885.5972502085. The cubic root of 670064145 is about 875.0619362960.

The spelling of 670064145 in words is "six hundred seventy million, sixty-four thousand, one hundred forty-five".