670786323 has 8 divisors (see below), whose sum is σ = 946992528. Its totient is φ = 420885504.

The previous prime is 670786271. The next prime is 670786381. The reversal of 670786323 is 323687076.

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

It is not a de Polignac number, because 670786323 - 2⁹ = 670785811 is a prime.

It is a super-2 number, since 2×670786323² = 899908582247720658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670786223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6576286 + ... + 6576387.

It is an arithmetic number, because the mean of its divisors is an integer number (118374066).

Almost surely, 2^670786323 is an apocalyptic number.

670786323 is a deficient number, since it is larger than the sum of its proper divisors (276206205).

670786323 is a wasteful number, since it uses less digits than its factorization.

670786323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152693.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 670786323 is about 25899.5429110245. The cubic root of 670786323 is about 875.3761965482.

The spelling of 670786323 in words is "six hundred seventy million, seven hundred eighty-six thousand, three hundred twenty-three".