70045216 has 12 divisors (see below), whose sum is σ = 137901582. Its totient is φ = 35022592.

The previous prime is 70045211. The next prime is 70045249. The reversal of 70045216 is 61254007.

It can be written as a sum of positive squares in only one way, i.e., 51897616 + 18147600 = 7204^2 + 4260^2 .

It is not an unprimeable number, because it can be changed into a prime (70045211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094425 + ... + 1094488.

Almost surely, 2^70045216 is an apocalyptic number.

It is an amenable number.

70045216 is a deficient number, since it is larger than the sum of its proper divisors (67856366).

70045216 is a wasteful number, since it uses less digits than its factorization.

70045216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188923 (or 2188915 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 70045216 is about 8369.3020019593. The cubic root of 70045216 is about 412.2172480414.

The spelling of 70045216 in words is "seventy million, forty-five thousand, two hundred sixteen".