70343111 has 4 divisors (see below), whose sum is σ = 74045400. Its totient is φ = 66640824.

The previous prime is 70343107. The next prime is 70343153. The reversal of 70343111 is 11134307.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70343111 - 2² = 70343107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70343171) 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 3 ways as a sum of consecutive naturals, for example, 1851116 + ... + 1851153.

It is an arithmetic number, because the mean of its divisors is an integer number (18511350).

Almost surely, 2^70343111 is an apocalyptic number.

70343111 is a deficient number, since it is larger than the sum of its proper divisors (3702289).

70343111 is a wasteful number, since it uses less digits than its factorization.

70343111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702288.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 70343111 is about 8387.0800043877. The cubic root of 70343111 is about 412.8007938929.

Adding to 70343111 its reverse (11134307), we get a palindrome (81477418).

The spelling of 70343111 in words is "seventy million, three hundred forty-three thousand, one hundred eleven".