70216845 has 16 divisors (see below), whose sum is σ = 113507520. Its totient is φ = 37062144.

The previous prime is 70216843. The next prime is 70216847. The reversal of 70216845 is 54861207.

It is an interprime number because it is at equal distance from previous prime (70216843) and next prime (70216847).

It is not a de Polignac number, because 70216845 - 2¹ = 70216843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70216843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22675 + ... + 25584.

It is an arithmetic number, because the mean of its divisors is an integer number (7094220).

Almost surely, 2^70216845 is an apocalyptic number.

It is an amenable number.

70216845 is a deficient number, since it is larger than the sum of its proper divisors (43290675).

70216845 is a wasteful number, since it uses less digits than its factorization.

70216845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48364.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 70216845 is about 8379.5492122190. The cubic root of 70216845 is about 412.5536532598.

The spelling of 70216845 in words is "seventy million, two hundred sixteen thousand, eight hundred forty-five".