70105700 has 36 divisors (see below), whose sum is σ = 173863872. Its totient is φ = 24036000.

The previous prime is 70105699. The next prime is 70105709. The reversal of 70105700 is 750107.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (70105709) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 49376 + ... + 50775.

It is an arithmetic number, because the mean of its divisors is an integer number (4829552).

Almost surely, 2^70105700 is an apocalyptic number.

70105700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70105700 is an abundant number, since it is smaller than the sum of its proper divisors (103758172).

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

70105700 is a wasteful number, since it uses less digits than its factorization.

70105700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100172 (or 100165 counting only the distinct ones).

The product of its (nonzero) digits is 245, while the sum is 20.

The square root of 70105700 is about 8372.9146657541. The cubic root of 70105700 is about 412.3358636846.

Adding to 70105700 its reverse (750107), we get a palindrome (70855807).

The spelling of 70105700 in words is "seventy million, one hundred five thousand, seven hundred".