70081716 has 24 divisors (see below), whose sum is σ = 163900800. Its totient is φ = 23306752.

The previous prime is 70081699. The next prime is 70081733. The reversal of 70081716 is 61718007.

It is an interprime number because it is at equal distance from previous prime (70081699) and next prime (70081733).

It is a super-2 number, since 2×70081716² = 9822893835009312, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1116 + ... + 11891.

It is an arithmetic number, because the mean of its divisors is an integer number (6829200).

Almost surely, 2^70081716 is an apocalyptic number.

It is an amenable number.

70081716 is an abundant number, since it is smaller than the sum of its proper divisors (93819084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70081716 is a wasteful number, since it uses less digits than its factorization.

70081716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463 (or 13461 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 70081716 is about 8371.4823060196. The cubic root of 70081716 is about 412.2888366415.

The spelling of 70081716 in words is "seventy million, eighty-one thousand, seven hundred sixteen".