670928417 has 2 divisors, whose sum is σ = 670928418. Its totient is φ = 670928416.

The previous prime is 670928411. The next prime is 670928459. The reversal of 670928417 is 714829076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584140561 + 86787856 = 24169^2 + 9316^2 .

It is a cyclic number.

It is not a de Polignac number, because 670928417 - 2¹⁰ = 670927393 is a prime.

It is not a weakly prime, because it can be changed into another prime (670928411) 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 as a sum of consecutive naturals, namely, 335464208 + 335464209.

It is an arithmetic number, because the mean of its divisors is an integer number (335464209).

Almost surely, 2^670928417 is an apocalyptic number.

It is an amenable number.

670928417 is a deficient number, since it is larger than the sum of its proper divisors (1).

670928417 is an equidigital number, since it uses as much as digits as its factorization.

670928417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 670928417 is about 25902.2859415921. The cubic root of 670928417 is about 875.4380030774.

The spelling of 670928417 in words is "six hundred seventy million, nine hundred twenty-eight thousand, four hundred seventeen".