70017345 has 32 divisors (see below), whose sum is σ = 126349440. Its totient is φ = 36780480.

The previous prime is 70017329. The next prime is 70017377. The reversal of 70017345 is 54371007.

It is not a de Polignac number, because 70017345 - 2⁴ = 70017329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5175 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (3948420).

Almost surely, 2^70017345 is an apocalyptic number.

It is an amenable number.

70017345 is a deficient number, since it is larger than the sum of its proper divisors (56332095).

70017345 is a wasteful number, since it uses less digits than its factorization.

70017345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822 (or 7816 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70017345 is about 8367.6367631488. The cubic root of 70017345 is about 412.1625670238.

The spelling of 70017345 in words is "seventy million, seventeen thousand, three hundred forty-five".