70351689 has 8 divisors (see below), whose sum is σ = 96337600. Its totient is φ = 45633456.

The previous prime is 70351669. The next prime is 70351717. The reversal of 70351689 is 98615307.

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

It is not a de Polignac number, because 70351689 - 2⁵ = 70351657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70351649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316789 + ... + 317010.

It is an arithmetic number, because the mean of its divisors is an integer number (12042200).

Almost surely, 2^70351689 is an apocalyptic number.

It is an amenable number.

70351689 is a deficient number, since it is larger than the sum of its proper divisors (25985911).

70351689 is a wasteful number, since it uses less digits than its factorization.

70351689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633839.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 70351689 is about 8387.5913705902. The cubic root of 70351689 is about 412.8175728934.

The spelling of 70351689 in words is "seventy million, three hundred fifty-one thousand, six hundred eighty-nine".