670336697 has 8 divisors (see below), whose sum is σ = 684589320. Its totient is φ = 656233600.

The previous prime is 670336691. The next prime is 670336729. The reversal of 670336697 is 796633076.

It can be written as a sum of positive squares in 4 ways, for example, as 230553856 + 439782841 = 15184^2 + 20971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670336697 - 2¹² = 670332601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670336691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28298 + ... + 46275.

It is an arithmetic number, because the mean of its divisors is an integer number (85573665).

Almost surely, 2^670336697 is an apocalyptic number.

It is an amenable number.

670336697 is a deficient number, since it is larger than the sum of its proper divisors (14252623).

670336697 is a wasteful number, since it uses less digits than its factorization.

670336697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74763.

The product of its (nonzero) digits is 857304, while the sum is 47.

The square root of 670336697 is about 25890.8612641604. The cubic root of 670336697 is about 875.1805655113.

The spelling of 670336697 in words is "six hundred seventy million, three hundred thirty-six thousand, six hundred ninety-seven".