670152520 has 16 divisors (see below), whose sum is σ = 1507843260. Its totient is φ = 268060992.

The previous prime is 670152517. The next prime is 670152521. The reversal of 670152520 is 25251076.

It can be written as a sum of positive squares in 2 ways, for example, as 669670884 + 481636 = 25878^2 + 694^2 .

It is not an unprimeable number, because it can be changed into a prime (670152521) 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 in 3 ways as a sum of consecutive naturals, for example, 8376867 + ... + 8376946.

Almost surely, 2^670152520 is an apocalyptic number.

It is an amenable number.

670152520 is an abundant number, since it is smaller than the sum of its proper divisors (837690740).

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

670152520 is a wasteful number, since it uses less digits than its factorization.

670152520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16753824 (or 16753820 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 670152520 is about 25887.3042242718. The cubic root of 670152520 is about 875.1004053489.

The spelling of 670152520 in words is "six hundred seventy million, one hundred fifty-two thousand, five hundred twenty".