670563065 has 8 divisors (see below), whose sum is σ = 810005568. Its totient is φ = 532897200.

The previous prime is 670563041. The next prime is 670563071. The reversal of 670563065 is 560365076.

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

It is not a de Polignac number, because 670563065 - 2¹² = 670558969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443327 + ... + 444836.

It is an arithmetic number, because the mean of its divisors is an integer number (101250696).

Almost surely, 2^670563065 is an apocalyptic number.

It is an amenable number.

670563065 is a deficient number, since it is larger than the sum of its proper divisors (139442503).

670563065 is a wasteful number, since it uses less digits than its factorization.

670563065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888319.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 670563065 is about 25895.2324762687. The cubic root of 670563065 is about 875.2790685367.

The spelling of 670563065 in words is "six hundred seventy million, five hundred sixty-three thousand, sixty-five".