70171916 has 12 divisors (see below), whose sum is σ = 122882088. Its totient is φ = 35062752.

The previous prime is 70171901. The next prime is 70171939. The reversal of 70171916 is 61917107.

It is a super-2 number, since 2×70171916² = 9848195590222112, which contains 22 as substring.

It is an unprimeable number.

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, 2240 + ... + 12056.

It is an arithmetic number, because the mean of its divisors is an integer number (10240174).

Almost surely, 2^70171916 is an apocalyptic number.

It is an amenable number.

70171916 is a deficient number, since it is larger than the sum of its proper divisors (52710172).

70171916 is a wasteful number, since it uses less digits than its factorization.

70171916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608 (or 11606 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 70171916 is about 8376.8679110990. The cubic root of 70171916 is about 412.4656421950.

The spelling of 70171916 in words is "seventy million, one hundred seventy-one thousand, nine hundred sixteen".