670543267 has 4 divisors (see below), whose sum is σ = 688666096. Its totient is φ = 652420440.

The previous prime is 670543261. The next prime is 670543273. The reversal of 670543267 is 762345076.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (670543261) and next prime (670543273).

It is a cyclic number.

It is not a de Polignac number, because 670543267 - 2³ = 670543259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670543261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9061359 + ... + 9061432.

It is an arithmetic number, because the mean of its divisors is an integer number (172166524).

Almost surely, 2^670543267 is an apocalyptic number.

670543267 is a deficient number, since it is larger than the sum of its proper divisors (18122829).

670543267 is a wasteful number, since it uses less digits than its factorization.

670543267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18122828.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 670543267 is about 25894.8502023086. The cubic root of 670543267 is about 875.2704544100.

The spelling of 670543267 in words is "six hundred seventy million, five hundred forty-three thousand, two hundred sixty-seven".