70218085 has 8 divisors (see below), whose sum is σ = 96299136. Its totient is φ = 48149520.

The previous prime is 70218079. The next prime is 70218101. The reversal of 70218085 is 58081207.

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

It is not a de Polignac number, because 70218085 - 2⁷ = 70217957 is a prime.

It is a super-2 number, since 2×70218085² = 9861158922134450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1003081 + ... + 1003150.

It is an arithmetic number, because the mean of its divisors is an integer number (12037392).

Almost surely, 2^70218085 is an apocalyptic number.

It is an amenable number.

70218085 is a deficient number, since it is larger than the sum of its proper divisors (26081051).

70218085 is a wasteful number, since it uses less digits than its factorization.

70218085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006243.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 70218085 is about 8379.6232015527. The cubic root of 70218085 is about 412.5560817537.

The spelling of 70218085 in words is "seventy million, two hundred eighteen thousand, eighty-five".