70258285 has 8 divisors (see below), whose sum is σ = 84847896. Its totient is φ = 55848000.

The previous prime is 70258273. The next prime is 70258367. The reversal of 70258285 is 58285207.

It can be written as a sum of positive squares in 4 ways, for example, as 20738916 + 49519369 = 4554^2 + 7037^2 .

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

It is not a de Polignac number, because 70258285 - 2⁹ = 70257773 is a prime.

It is a super-2 number, since 2×70258285² = 9872453222282450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43966 + ... + 45535.

It is an arithmetic number, because the mean of its divisors is an integer number (10605987).

Almost surely, 2^70258285 is an apocalyptic number.

It is an amenable number.

70258285 is a deficient number, since it is larger than the sum of its proper divisors (14589611).

70258285 is a wasteful number, since it uses less digits than its factorization.

70258285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89663.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 70258285 is about 8382.0215342124. The cubic root of 70258285 is about 412.6347964730.

The spelling of 70258285 in words is "seventy million, two hundred fifty-eight thousand, two hundred eighty-five".