670066814 has 4 divisors (see below), whose sum is σ = 1005100224. Its totient is φ = 335033406.

The previous prime is 670066783. The next prime is 670066823. The reversal of 670066814 is 418660076.

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

It is a super-2 number, since 2×670066814² = 897979070448221192, which contains 22 as substring.

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, 167516702 + ... + 167516705.

It is an arithmetic number, because the mean of its divisors is an integer number (251275056).

Almost surely, 2^670066814 is an apocalyptic number.

670066814 is a deficient number, since it is larger than the sum of its proper divisors (335033410).

670066814 is a wasteful number, since it uses less digits than its factorization.

670066814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335033409.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 670066814 is about 25885.6488039222. The cubic root of 670066814 is about 875.0630981436.

The spelling of 670066814 in words is "six hundred seventy million, sixty-six thousand, eight hundred fourteen".