70660563 has 16 divisors (see below), whose sum is σ = 102374400. Its totient is φ = 43187040.

The previous prime is 70660561. The next prime is 70660591. The reversal of 70660563 is 36506607.

It is not a de Polignac number, because 70660563 - 2¹ = 70660561 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18228 + ... + 21761.

It is an arithmetic number, because the mean of its divisors is an integer number (6398400).

Almost surely, 2^70660563 is an apocalyptic number.

70660563 is a deficient number, since it is larger than the sum of its proper divisors (31713837).

70660563 is a wasteful number, since it uses less digits than its factorization.

70660563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40042.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 70660563 is about 8405.9837615832. The cubic root of 70660563 is about 413.4208394478.

The spelling of 70660563 in words is "seventy million, six hundred sixty thousand, five hundred sixty-three".