670423070 has 8 divisors (see below), whose sum is σ = 1206761544. Its totient is φ = 268169224.

The previous prime is 670423049. The next prime is 670423097. The reversal of 670423070 is 70324076.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33521144 + ... + 33521163.

It is an arithmetic number, because the mean of its divisors is an integer number (150845193).

Almost surely, 2^670423070 is an apocalyptic number.

670423070 is a deficient number, since it is larger than the sum of its proper divisors (536338474).

670423070 is a wasteful number, since it uses less digits than its factorization.

670423070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67042314.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 670423070 is about 25892.5292314212. The cubic root of 670423070 is about 875.2181529530.

The spelling of 670423070 in words is "six hundred seventy million, four hundred twenty-three thousand, seventy".