70315671 has 4 divisors (see below), whose sum is σ = 93754232. Its totient is φ = 46877112.

The previous prime is 70315649. The next prime is 70315673. The reversal of 70315671 is 17651307.

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

It is not a de Polignac number, because 70315671 - 2⁷ = 70315543 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 (70315673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11719276 + ... + 11719281.

It is an arithmetic number, because the mean of its divisors is an integer number (23438558).

Almost surely, 2^70315671 is an apocalyptic number.

70315671 is a deficient number, since it is larger than the sum of its proper divisors (23438561).

70315671 is a wasteful number, since it uses less digits than its factorization.

70315671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23438560.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 70315671 is about 8385.4439954006. The cubic root of 70315671 is about 412.7471107067.

Adding to 70315671 its reverse (17651307), we get a palindrome (87966978).

The spelling of 70315671 in words is "seventy million, three hundred fifteen thousand, six hundred seventy-one".