70841285 has 4 divisors (see below), whose sum is σ = 85009548. Its totient is φ = 56673024.

The previous prime is 70841269. The next prime is 70841321. The reversal of 70841285 is 58214807.

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 32512804 + 38328481 = 5702^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 70841285 - 2⁴ = 70841269 is a prime.

It is a Duffinian number.

It is a congruent 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, 7084124 + ... + 7084133.

It is an arithmetic number, because the mean of its divisors is an integer number (21252387).

Almost surely, 2^70841285 is an apocalyptic number.

It is an amenable number.

70841285 is a deficient number, since it is larger than the sum of its proper divisors (14168263).

70841285 is a wasteful number, since it uses less digits than its factorization.

70841285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14168262.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 70841285 is about 8416.7265014375. The cubic root of 70841285 is about 413.7729955000.

The spelling of 70841285 in words is "seventy million, eight hundred forty-one thousand, two hundred eighty-five".