70505640532 has 6 divisors (see below), whose sum is σ = 123384870938. Its totient is φ = 35252820264.

The previous prime is 70505640521. The next prime is 70505640539. The reversal of 70505640532 is 23504650507.

It can be written as a sum of positive squares in only one way, i.e., 70439283216 + 66357316 = 265404^2 + 8146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70505640491 and 70505640500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70505640539) 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 as a sum of consecutive naturals, namely, 8813205063 + ... + 8813205070.

Almost surely, 2^70505640532 is an apocalyptic number.

It is an amenable number.

70505640532 is a deficient number, since it is larger than the sum of its proper divisors (52879230406).

70505640532 is a wasteful number, since it uses less digits than its factorization.

70505640532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626410137 (or 17626410135 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 70505640532 in words is "seventy billion, five hundred five million, six hundred forty thousand, five hundred thirty-two".