70660564 has 12 divisors (see below), whose sum is σ = 133168084. Its totient is φ = 32612544.

The previous prime is 70660561. The next prime is 70660591. The reversal of 70660564 is 46506607.

It can be written as a sum of positive squares in 2 ways, for example, as 30338064 + 40322500 = 5508^2 + 6350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70660561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679377 + ... + 679480.

Almost surely, 2^70660564 is an apocalyptic number.

It is an amenable number.

70660564 is a deficient number, since it is larger than the sum of its proper divisors (62507520).

70660564 is a wasteful number, since it uses less digits than its factorization.

70660564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358874 (or 1358872 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 70660564 is about 8405.9838210646. The cubic root of 70660564 is about 413.4208413981.

The spelling of 70660564 in words is "seventy million, six hundred sixty thousand, five hundred sixty-four".