70705255 has 8 divisors (see below), whose sum is σ = 85161024. Its totient is φ = 56354400.

The previous prime is 70705253. The next prime is 70705267. The reversal of 70705255 is 55250707.

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

It is not a de Polignac number, because 70705255 - 2¹ = 70705253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70705253) 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 7 ways as a sum of consecutive naturals, for example, 24736 + ... + 27445.

It is an arithmetic number, because the mean of its divisors is an integer number (10645128).

Almost surely, 2^70705255 is an apocalyptic number.

70705255 is a deficient number, since it is larger than the sum of its proper divisors (14455769).

70705255 is a wasteful number, since it uses less digits than its factorization.

70705255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52457.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 70705255 is about 8408.6416857897. The cubic root of 70705255 is about 413.5079823996.

The spelling of 70705255 in words is "seventy million, seven hundred five thousand, two hundred fifty-five".