70268693 has 6 divisors (see below), whose sum is σ = 77237622. Its totient is φ = 63880520.

The previous prime is 70268663. The next prime is 70268717. The reversal of 70268693 is 39686207.

It can be written as a sum of positive squares in only one way, i.e., 56445169 + 13823524 = 7513^2 + 3718^2 .

It is not a de Polignac number, because 70268693 - 2²² = 66074389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70268693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70268663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290246 + ... + 290487.

It is an arithmetic number, because the mean of its divisors is an integer number (12872937).

Almost surely, 2^70268693 is an apocalyptic number.

It is an amenable number.

70268693 is a deficient number, since it is larger than the sum of its proper divisors (6968929).

70268693 is a wasteful number, since it uses less digits than its factorization.

70268693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580755 (or 580744 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 70268693 is about 8382.6423638373. The cubic root of 70268693 is about 412.6551712511.

The spelling of 70268693 in words is "seventy million, two hundred sixty-eight thousand, six hundred ninety-three".