670129436 has 24 divisors (see below), whose sum is σ = 1180539360. Its totient is φ = 332840192.

The previous prime is 670129399. The next prime is 670129451. The reversal of 670129436 is 634921076.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 670129436.

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 in 7 ways as a sum of consecutive naturals, for example, 781520 + ... + 782376.

It is an arithmetic number, because the mean of its divisors is an integer number (49189140).

Almost surely, 2^670129436 is an apocalyptic number.

It is an amenable number.

670129436 is a deficient number, since it is larger than the sum of its proper divisors (510409924).

670129436 is a wasteful number, since it uses less digits than its factorization.

670129436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 670129436 is about 25886.8583648151. The cubic root of 670129436 is about 875.0903573628.

The spelling of 670129436 in words is "six hundred seventy million, one hundred twenty-nine thousand, four hundred thirty-six".