70068447 has 24 divisors (see below), whose sum is σ = 107618160. Its totient is φ = 43804800.

The previous prime is 70068433. The next prime is 70068451. The reversal of 70068447 is 74486007.

It is a happy number.

It is not a de Polignac number, because 70068447 - 2²² = 65874143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70068487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15243 + ... + 19299.

It is an arithmetic number, because the mean of its divisors is an integer number (4484090).

Almost surely, 2^70068447 is an apocalyptic number.

70068447 is a deficient number, since it is larger than the sum of its proper divisors (37549713).

70068447 is a wasteful number, since it uses less digits than its factorization.

70068447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183 (or 4180 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70068447 is about 8370.6897565254. The cubic root of 70068447 is about 412.2628146099.

The spelling of 70068447 in words is "seventy million, sixty-eight thousand, four hundred forty-seven".