670752810025 has 81 divisors (see below), whose sum is σ = 906067412271. Its totient is φ = 492497729280.

The previous prime is 670752810023. The next prime is 670752810043. The reversal of 670752810025 is 520018257076.

The square root of 670752810025 is 818995.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 338534294569 + 332218515456 = 581837^2 + 576384^2 .

It is not a de Polignac number, because 670752810025 - 2¹ = 670752810023 is a prime.

It is a super-3 number, since 3×670752810025³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670752810023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2878767309 + ... + 2878767541.

Almost surely, 2^670752810025 is an apocalyptic number.

670752810025 is the 818995-th square number.

670752810025 is the 409498-th centered octagonal number.

It is an amenable number.

670752810025 is a deficient number, since it is larger than the sum of its proper divisors (235314602246).

670752810025 is an equidigital number, since it uses as much as digits as its factorization.

670752810025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 670752810025 in words is "six hundred seventy billion, seven hundred fifty-two million, eight hundred ten thousand, twenty-five".