670654071 has 12 divisors (see below), whose sum is σ = 979608240. Its totient is φ = 442078560.

The previous prime is 670654043. The next prime is 670654081. The reversal of 670654071 is 170456076.

It is not a de Polignac number, because 670654071 - 2¹⁰ = 670653047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670654081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417835 + ... + 419436.

It is an arithmetic number, because the mean of its divisors is an integer number (81634020).

Almost surely, 2^670654071 is an apocalyptic number.

670654071 is a deficient number, since it is larger than the sum of its proper divisors (308954169).

670654071 is a wasteful number, since it uses less digits than its factorization.

670654071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837366 (or 837363 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 670654071 is about 25896.9896126944. The cubic root of 670654071 is about 875.3186631440.

The spelling of 670654071 in words is "six hundred seventy million, six hundred fifty-four thousand, seventy-one".