70107120 has 200 divisors, whose sum is σ = 252067200. Its totient is φ = 18040320.

The previous prime is 70107109. The next prime is 70107143. The reversal of 70107120 is 2170107.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70107093 and 70107102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 200706 + ... + 201054.

It is an arithmetic number, because the mean of its divisors is an integer number (1260336).

Almost surely, 2^70107120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70107120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126033600).

70107120 is an abundant number, since it is smaller than the sum of its proper divisors (181960080).

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

70107120 is a wasteful number, since it uses less digits than its factorization.

70107120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 70107120 is about 8372.9994625582. Note that the first 3 decimals coincide. The cubic root of 70107120 is about 412.3386476379.

Adding to 70107120 its reverse (2170107), we get a palindrome (72277227).

The spelling of 70107120 in words is "seventy million, one hundred seven thousand, one hundred twenty".