70666036 has 18 divisors (see below), whose sum is σ = 143856258. Its totient is φ = 30285360.

The previous prime is 70666021. The next prime is 70666049. The reversal of 70666036 is 63066607.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 24561936 = 6790^2 + 4956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70665992 and 70666010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180075 + ... + 180466.

Almost surely, 2^70666036 is an apocalyptic number.

It is an amenable number.

70666036 is an abundant number, since it is smaller than the sum of its proper divisors (73190222).

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

70666036 is a wasteful number, since it uses less digits than its factorization.

70666036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360559 (or 360550 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 70666036 is about 8406.3092971886. The cubic root of 70666036 is about 413.4315129822.

The spelling of 70666036 in words is "seventy million, six hundred sixty-six thousand, thirty-six".