70538785 has 4 divisors (see below), whose sum is σ = 84646548. Its totient is φ = 56431024.

The previous prime is 70538779. The next prime is 70538803. The reversal of 70538785 is 58783507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46253601 + 24285184 = 6801^2 + 4928^2 .

It is a cyclic number.

It is not a de Polignac number, because 70538785 - 2¹¹ = 70536737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7053874 + ... + 7053883.

It is an arithmetic number, because the mean of its divisors is an integer number (21161637).

Almost surely, 2^70538785 is an apocalyptic number.

It is an amenable number.

70538785 is a deficient number, since it is larger than the sum of its proper divisors (14107763).

70538785 is a wasteful number, since it uses less digits than its factorization.

70538785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107762.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 70538785 is about 8398.7371074466. The cubic root of 70538785 is about 413.1832032955.

The spelling of 70538785 in words is "seventy million, five hundred thirty-eight thousand, seven hundred eighty-five".