670797736 has 64 divisors (see below), whose sum is σ = 1517040000. Its totient is φ = 271641600.

The previous prime is 670797731. The next prime is 670797739. The reversal of 670797736 is 637797076.

It is not an unprimeable number, because it can be changed into a prime (670797731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638940 + ... + 639988.

It is an arithmetic number, because the mean of its divisors is an integer number (23703750).

Almost surely, 2^670797736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670797736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758520000).

670797736 is an abundant number, since it is smaller than the sum of its proper divisors (846242264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670797736 is a wasteful number, since it uses less digits than its factorization.

670797736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 2333772, while the sum is 52.

The square root of 670797736 is about 25899.7632421611. The cubic root of 670797736 is about 875.3811611753.

The spelling of 670797736 in words is "six hundred seventy million, seven hundred ninety-seven thousand, seven hundred thirty-six".