70343471 has 6 divisors (see below), whose sum is σ = 77319816. Its totient is φ = 63948500.

The previous prime is 70343459. The next prime is 70343489. The reversal of 70343471 is 17434307.

It is a de Polignac number, because none of the positive numbers 2^k-70343471 is a prime.

It is a super-3 number, since 3×70343471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70343411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290555 + ... + 290796.

It is an arithmetic number, because the mean of its divisors is an integer number (12886636).

Almost surely, 2^70343471 is an apocalyptic number.

70343471 is a deficient number, since it is larger than the sum of its proper divisors (6976345).

70343471 is a wasteful number, since it uses less digits than its factorization.

70343471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581373 (or 581362 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 70343471 is about 8387.1014659416. The cubic root of 70343471 is about 412.8014980985.

Adding to 70343471 its reverse (17434307), we get a palindrome (87777778).

The spelling of 70343471 in words is "seventy million, three hundred forty-three thousand, four hundred seventy-one".