70381120 has 28 divisors (see below), whose sum is σ = 167595804. Its totient is φ = 28152320.

The previous prime is 70381099. The next prime is 70381151. The reversal of 70381120 is 2118307.

It can be written as a sum of positive squares in 2 ways, for example, as 35712576 + 34668544 = 5976^2 + 5888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70381091 and 70381100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109651 + ... + 110290.

Almost surely, 2^70381120 is an apocalyptic number.

It is an amenable number.

70381120 is an abundant number, since it is smaller than the sum of its proper divisors (97214684).

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

70381120 is a wasteful number, since it uses less digits than its factorization.

70381120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219958 (or 219948 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 70381120 is about 8389.3456240639. The cubic root of 70381120 is about 412.8751310479.

Adding to 70381120 its reverse (2118307), we get a palindrome (72499427).

The spelling of 70381120 in words is "seventy million, three hundred eighty-one thousand, one hundred twenty".