670668046 has 4 divisors (see below), whose sum is σ = 1006002072. Its totient is φ = 335334022.

The previous prime is 670667929. The next prime is 670668073. The reversal of 670668046 is 640866076.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 670667993 and 670668011.

It is a congruent number.

It is an unprimeable number.

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, 167667010 + ... + 167667013.

It is an arithmetic number, because the mean of its divisors is an integer number (251500518).

Almost surely, 2^670668046 is an apocalyptic number.

670668046 is a deficient number, since it is larger than the sum of its proper divisors (335334026).

670668046 is a wasteful number, since it uses less digits than its factorization.

670668046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335334025.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 670668046 is about 25897.2594302949. The cubic root of 670668046 is about 875.3247430262.

The spelling of 670668046 in words is "six hundred seventy million, six hundred sixty-eight thousand, forty-six".