70660325 has 6 divisors (see below), whose sum is σ = 87618834. Its totient is φ = 56528240.

The previous prime is 70660321. The next prime is 70660357. The reversal of 70660325 is 52306607.

It can be written as a sum of positive squares in 3 ways, for example, as 17048641 + 53611684 = 4129^2 + 7322^2 .

It is not a de Polignac number, because 70660325 - 2² = 70660321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70660321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1413182 + ... + 1413231.

It is an arithmetic number, because the mean of its divisors is an integer number (14603139).

Almost surely, 2^70660325 is an apocalyptic number.

It is an amenable number.

70660325 is a deficient number, since it is larger than the sum of its proper divisors (16958509).

70660325 is a wasteful number, since it uses less digits than its factorization.

70660325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826423 (or 2826418 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 70660325 is about 8405.9696049891. The cubic root of 70660325 is about 413.4203752838.

The spelling of 70660325 in words is "seventy million, six hundred sixty thousand, three hundred twenty-five".