670433567 has 4 divisors (see below), whose sum is σ = 670951776. Its totient is φ = 669915360.

The previous prime is 670433531. The next prime is 670433609. The reversal of 670433567 is 765334076.

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

It is a cyclic number.

It is not a de Polignac number, because 670433567 - 2²⁴ = 653656351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670433527) 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, 257159 + ... + 259752.

It is an arithmetic number, because the mean of its divisors is an integer number (167737944).

Almost surely, 2^670433567 is an apocalyptic number.

670433567 is a deficient number, since it is larger than the sum of its proper divisors (518209).

670433567 is a wasteful number, since it uses less digits than its factorization.

670433567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518208.

The product of its (nonzero) digits is 317520, while the sum is 41.

The square root of 670433567 is about 25892.7319338845. The cubic root of 670433567 is about 875.2227207737. Note that the first 3 decimals are identical.

The spelling of 670433567 in words is "six hundred seventy million, four hundred thirty-three thousand, five hundred sixty-seven".