670001236 has 12 divisors (see below), whose sum is σ = 1172943828. Its totient is φ = 334874432.

The previous prime is 670001219. The next prime is 670001257. The reversal of 670001236 is 632100076.

It can be written as a sum of positive squares in 2 ways, for example, as 39690000 + 630311236 = 6300^2 + 25106^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 670001236.

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 3 ways as a sum of consecutive naturals, for example, 19051 + ... + 41266.

It is an arithmetic number, because the mean of its divisors is an integer number (97745319).

Almost surely, 2^670001236 is an apocalyptic number.

It is an amenable number.

670001236 is a deficient number, since it is larger than the sum of its proper divisors (502942592).

670001236 is a wasteful number, since it uses less digits than its factorization.

670001236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63098 (or 63096 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 670001236 is about 25884.3820865015. The cubic root of 670001236 is about 875.0345503636.

The spelling of 670001236 in words is "six hundred seventy million, one thousand, two hundred thirty-six".