670416635 has 16 divisors (see below), whose sum is σ = 951134400. Its totient is φ = 443861376.

The previous prime is 670416631. The next prime is 670416667. The reversal of 670416635 is 536614076.

It is a happy number.

It is not a de Polignac number, because 670416635 - 2² = 670416631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670416631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329240 + ... + 331269.

It is an arithmetic number, because the mean of its divisors is an integer number (59445900).

Almost surely, 2^670416635 is an apocalyptic number.

670416635 is a deficient number, since it is larger than the sum of its proper divisors (280717765).

670416635 is a wasteful number, since it uses less digits than its factorization.

670416635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660550.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 670416635 is about 25892.4049674803. The cubic root of 670416635 is about 875.2153527079.

The spelling of 670416635 in words is "six hundred seventy million, four hundred sixteen thousand, six hundred thirty-five".