670736506 has 32 divisors (see below), whose sum is σ = 1112196096. Its totient is φ = 300846000.

The previous prime is 670736471. The next prime is 670736543. The reversal of 670736506 is 605637076.

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 15 ways as a sum of consecutive naturals, for example, 607551 + ... + 608653.

It is an arithmetic number, because the mean of its divisors is an integer number (34756128).

Almost surely, 2^670736506 is an apocalyptic number.

670736506 is a deficient number, since it is larger than the sum of its proper divisors (441459590).

670736506 is a wasteful number, since it uses less digits than its factorization.

670736506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 670736506 is about 25898.5811580480. The cubic root of 670736506 is about 875.3545256156.

The spelling of 670736506 in words is "six hundred seventy million, seven hundred thirty-six thousand, five hundred six".