670367071 has 4 divisors (see below), whose sum is σ = 731309544. Its totient is φ = 609424600.

The previous prime is 670367057. The next prime is 670367077. The reversal of 670367071 is 170763076.

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 670367071 - 2²³ = 661978463 is a prime.

It is a super-2 number, since 2×670367071² = 898784019762238082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670367071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670367077) 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, 30471220 + ... + 30471241.

It is an arithmetic number, because the mean of its divisors is an integer number (182827386).

Almost surely, 2^670367071 is an apocalyptic number.

670367071 is a deficient number, since it is larger than the sum of its proper divisors (60942473).

670367071 is a wasteful number, since it uses less digits than its factorization.

670367071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60942472.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 670367071 is about 25891.4478351443. The cubic root of 670367071 is about 875.1937839100.

The spelling of 670367071 in words is "six hundred seventy million, three hundred sixty-seven thousand, seventy-one".