70105680 has 60 divisors (see below), whose sum is σ = 235440660. Its totient is φ = 18694656.

The previous prime is 70105669. The next prime is 70105699. The reversal of 70105680 is 8650107.

It can be written as a sum of positive squares in 2 ways, for example, as 55175184 + 14930496 = 7428^2 + 3864^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47965 + ... + 49404.

It is an arithmetic number, because the mean of its divisors is an integer number (3924011).

Almost surely, 2^70105680 is an apocalyptic number.

It is an amenable number.

70105680 is an abundant number, since it is smaller than the sum of its proper divisors (165334980).

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

70105680 is a wasteful number, since it uses less digits than its factorization.

70105680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97388 (or 97379 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 70105680 is about 8372.9134714268. The cubic root of 70105680 is about 412.3358244738.

Adding to 70105680 its reverse (8650107), we get a palindrome (78755787).

The spelling of 70105680 in words is "seventy million, one hundred five thousand, six hundred eighty".