70216418 has 8 divisors (see below), whose sum is σ = 105493440. Its totient is φ = 35051940.

The previous prime is 70216403. The next prime is 70216459. The reversal of 70216418 is 81461207.

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

It is a Curzon 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, 26558 + ... + 29081.

It is an arithmetic number, because the mean of its divisors is an integer number (13186680).

Almost surely, 2^70216418 is an apocalyptic number.

70216418 is a deficient number, since it is larger than the sum of its proper divisors (35277022).

70216418 is a wasteful number, since it uses less digits than its factorization.

70216418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56272.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 70216418 is about 8379.5237334827. The cubic root of 70216418 is about 412.5528169896.

The spelling of 70216418 in words is "seventy million, two hundred sixteen thousand, four hundred eighteen".