670231065 has 24 divisors (see below), whose sum is σ = 1247451840. Its totient is φ = 306391008.

The previous prime is 670231039. The next prime is 670231073. The reversal of 670231065 is 560132076.

It is not a de Polignac number, because 670231065 - 2⁹ = 670230553 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455205 + ... + 456674.

It is an arithmetic number, because the mean of its divisors is an integer number (51977160).

Almost surely, 2^670231065 is an apocalyptic number.

It is an amenable number.

670231065 is a deficient number, since it is larger than the sum of its proper divisors (577220775).

670231065 is a wasteful number, since it uses less digits than its factorization.

670231065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911901 (or 911894 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 670231065 is about 25888.8212362015. The cubic root of 670231065 is about 875.1345926292.

The spelling of 670231065 in words is "six hundred seventy million, two hundred thirty-one thousand, sixty-five".