670505067 has 16 divisors (see below), whose sum is σ = 1012085280. Its totient is φ = 438568416.

The previous prime is 670505053. The next prime is 670505071. The reversal of 670505067 is 760505076.

It is not a de Polignac number, because 670505067 - 2⁴ = 670505051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670505047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232848 + ... + 235709.

It is an arithmetic number, because the mean of its divisors is an integer number (63255330).

Almost surely, 2^670505067 is an apocalyptic number.

670505067 is a deficient number, since it is larger than the sum of its proper divisors (341580213).

670505067 is a wasteful number, since it uses less digits than its factorization.

670505067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468619 (or 468613 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 670505067 is about 25894.1125934062. The cubic root of 670505067 is about 875.2538330783.

Subtracting 670505067 from its reverse (760505076), we obtain a palindrome (90000009).

The spelling of 670505067 in words is "six hundred seventy million, five hundred five thousand, sixty-seven".