670347121 has 8 divisors (see below), whose sum is σ = 700542144. Its totient is φ = 640239600.

The previous prime is 670347109. The next prime is 670347133. The reversal of 670347121 is 121743076.

It is an interprime number because it is at equal distance from previous prime (670347109) and next prime (670347133).

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 670347121 - 2¹¹ = 670345073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670347191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5955 + ... + 37096.

It is an arithmetic number, because the mean of its divisors is an integer number (87567768).

Almost surely, 2^670347121 is an apocalyptic number.

It is an amenable number.

670347121 is a deficient number, since it is larger than the sum of its proper divisors (30195023).

670347121 is a wasteful number, since it uses less digits than its factorization.

670347121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43751.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 670347121 is about 25891.0625699294. The cubic root of 670347121 is about 875.1851019555.

It can be divided in two parts, 6703 and 47121, that added together give a square (53824 = 232²).

The spelling of 670347121 in words is "six hundred seventy million, three hundred forty-seven thousand, one hundred twenty-one".