70128244 has 6 divisors (see below), whose sum is σ = 122724434. Its totient is φ = 35064120.

The previous prime is 70128241. The next prime is 70128299. The reversal of 70128244 is 44282107.

It can be written as a sum of positive squares in only one way, i.e., 45724644 + 24403600 = 6762^2 + 4940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70128241) by changing a digit.

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 as a sum of consecutive naturals, namely, 8766027 + ... + 8766034.

Almost surely, 2^70128244 is an apocalyptic number.

It is an amenable number.

70128244 is a deficient number, since it is larger than the sum of its proper divisors (52596190).

70128244 is a wasteful number, since it uses less digits than its factorization.

70128244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17532065 (or 17532063 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 70128244 is about 8374.2608031993. The cubic root of 70128244 is about 412.3800574448.

The spelling of 70128244 in words is "seventy million, one hundred twenty-eight thousand, two hundred forty-four".