670397045 has 8 divisors (see below), whose sum is σ = 846817440. Its totient is φ = 508090320.

The previous prime is 670397017. The next prime is 670397071. The reversal of 670397045 is 540793076.

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

It is not a de Polignac number, because 670397045 - 2¹⁴ = 670380661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670396993 and 670397011.

It is a congruent number.

It is an unprimeable number.

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, 3528311 + ... + 3528500.

It is an arithmetic number, because the mean of its divisors is an integer number (105852180).

Almost surely, 2^670397045 is an apocalyptic number.

It is an amenable number.

670397045 is a deficient number, since it is larger than the sum of its proper divisors (176420395).

670397045 is a wasteful number, since it uses less digits than its factorization.

670397045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056835.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 670397045 is about 25892.0266684553. The cubic root of 670397045 is about 875.2068278420.

The spelling of 670397045 in words is "six hundred seventy million, three hundred ninety-seven thousand, forty-five".