70985213 has 8 divisors (see below), whose sum is σ = 77414400. Its totient is φ = 64694448.

The previous prime is 70985209. The next prime is 70985219. The reversal of 70985213 is 31258907.

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

It is not a de Polignac number, because 70985213 - 2² = 70985209 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 (70985219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33533 + ... + 35586.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2^70985213 is an apocalyptic number.

It is an amenable number.

70985213 is a deficient number, since it is larger than the sum of its proper divisors (6429187).

70985213 is a wasteful number, since it uses less digits than its factorization.

70985213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69211.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 70985213 is about 8425.2722804667. The cubic root of 70985213 is about 414.0530263398.

The spelling of 70985213 in words is "seventy million, nine hundred eighty-five thousand, two hundred thirteen".