70120770 has 16 divisors (see below), whose sum is σ = 168289920. Its totient is φ = 18698864.

The previous prime is 70120769. The next prime is 70120777. The reversal of 70120770 is 7702107.

It is a self number, because there is not a number n which added to its sum of digits gives 70120770.

It is not an unprimeable number, because it can be changed into a prime (70120777) 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 7 ways as a sum of consecutive naturals, for example, 1168650 + ... + 1168709.

It is an arithmetic number, because the mean of its divisors is an integer number (10518120).

Almost surely, 2^70120770 is an apocalyptic number.

70120770 is an abundant number, since it is smaller than the sum of its proper divisors (98169150).

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

70120770 is a wasteful number, since it uses less digits than its factorization.

70120770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337369.

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 70120770 is about 8373.8145429667. The cubic root of 70120770 is about 412.3654069613.

Adding to 70120770 its reverse (7702107), we get a palindrome (77822877).

The spelling of 70120770 in words is "seventy million, one hundred twenty thousand, seven hundred seventy".