671322607 has 4 divisors (see below), whose sum is σ = 677481640. Its totient is φ = 665163576.

The previous prime is 671322599. The next prime is 671322637. The reversal of 671322607 is 706223176.

It is a happy number.

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 671322607 - 2³ = 671322599 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 (671322637) 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, 3079353 + ... + 3079570.

It is an arithmetic number, because the mean of its divisors is an integer number (169370410).

Almost surely, 2^671322607 is an apocalyptic number.

671322607 is a deficient number, since it is larger than the sum of its proper divisors (6159033).

671322607 is a wasteful number, since it uses less digits than its factorization.

671322607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159032.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 671322607 is about 25909.8939982394. The cubic root of 671322607 is about 875.6094179589.

The spelling of 671322607 in words is "six hundred seventy-one million, three hundred twenty-two thousand, six hundred seven".