70168897 has 4 divisors (see below), whose sum is σ = 70721536. Its totient is φ = 69616260.

The previous prime is 70168871. The next prime is 70168921. The reversal of 70168897 is 79886107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70168897 - 2²³ = 61780289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70168867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276129 + ... + 276382.

It is an arithmetic number, because the mean of its divisors is an integer number (17680384).

Almost surely, 2^70168897 is an apocalyptic number.

It is an amenable number.

70168897 is a deficient number, since it is larger than the sum of its proper divisors (552639).

70168897 is a wasteful number, since it uses less digits than its factorization.

70168897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552638.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 70168897 is about 8376.6877105453. The cubic root of 70168897 is about 412.4597269528.

The spelling of 70168897 in words is "seventy million, one hundred sixty-eight thousand, eight hundred ninety-seven".