70282705 has 8 divisors (see below), whose sum is σ = 84768552. Its totient is φ = 55939968.

The previous prime is 70282703. The next prime is 70282727. The reversal of 70282705 is 50728207.

It can be written as a sum of positive squares in 4 ways, for example, as 50140561 + 20142144 = 7081^2 + 4488^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70282705 - 2¹ = 70282703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70282703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34692 + ... + 36661.

It is an arithmetic number, because the mean of its divisors is an integer number (10596069).

Almost surely, 2^70282705 is an apocalyptic number.

It is an amenable number.

70282705 is a deficient number, since it is larger than the sum of its proper divisors (14485847).

70282705 is a wasteful number, since it uses less digits than its factorization.

70282705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71555.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 70282705 is about 8383.4780968283. The cubic root of 70282705 is about 412.6825980692.

The spelling of 70282705 in words is "seventy million, two hundred eighty-two thousand, seven hundred five".