670516936 has 8 divisors (see below), whose sum is σ = 1257219270. Its totient is φ = 335258464.

The previous prime is 670516927. The next prime is 670516937. The reversal of 670516936 is 639615076.

It can be written as a sum of positive squares in only one way, i.e., 457532100 + 212984836 = 21390^2 + 14594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×670516936² = 899185922925656192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670516892 and 670516901.

It is not an unprimeable number, because it can be changed into a prime (670516937) by changing a digit.

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 as a sum of consecutive naturals, namely, 41907301 + ... + 41907316.

Almost surely, 2^670516936 is an apocalyptic number.

It is an amenable number.

670516936 is a deficient number, since it is larger than the sum of its proper divisors (586702334).

670516936 is a wasteful number, since it uses less digits than its factorization.

670516936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83814623 (or 83814619 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 670516936 is about 25894.3417757625. The cubic root of 670516936 is about 875.2589975068.

The spelling of 670516936 in words is "six hundred seventy million, five hundred sixteen thousand, nine hundred thirty-six".