670041478 has 4 divisors (see below), whose sum is σ = 1005062220. Its totient is φ = 335020738.

The previous prime is 670041457. The next prime is 670041509. The reversal of 670041478 is 874140076.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167510368 + ... + 167510371.

It is an arithmetic number, because the mean of its divisors is an integer number (251265555).

Almost surely, 2^670041478 is an apocalyptic number.

670041478 is a deficient number, since it is larger than the sum of its proper divisors (335020742).

670041478 is a wasteful number, since it uses less digits than its factorization.

670041478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335020741.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 670041478 is about 25885.1594161597. The cubic root of 670041478 is about 875.0520689559.

The spelling of 670041478 in words is "six hundred seventy million, forty-one thousand, four hundred seventy-eight".