70171868 has 24 divisors (see below), whose sum is σ = 132643392. Its totient is φ = 32289984.

The previous prime is 70171867. The next prime is 70171877. The reversal of 70171868 is 86817107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70171861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17246 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (5526808).

Almost surely, 2^70171868 is an apocalyptic number.

It is an amenable number.

70171868 is a deficient number, since it is larger than the sum of its proper divisors (62471524).

70171868 is a wasteful number, since it uses less digits than its factorization.

70171868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 70171868 is about 8376.8650460659. The cubic root of 70171868 is about 412.4655481481.

The spelling of 70171868 in words is "seventy million, one hundred seventy-one thousand, eight hundred sixty-eight".