70238444 has 12 divisors (see below), whose sum is σ = 124299000. Its totient is φ = 34724448.

The previous prime is 70238429. The next prime is 70238449. The reversal of 70238444 is 44483207.

It is a super-2 number, since 2×70238444² = 9866878031082272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70238444.

It is not an unprimeable number, because it can be changed into a prime (70238449) 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 3 ways as a sum of consecutive naturals, for example, 98294 + ... + 99005.

It is an arithmetic number, because the mean of its divisors is an integer number (10358250).

Almost surely, 2^70238444 is an apocalyptic number.

It is an amenable number.

70238444 is a deficient number, since it is larger than the sum of its proper divisors (54060556).

70238444 is a wasteful number, since it uses less digits than its factorization.

70238444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197392 (or 197390 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 70238444 is about 8380.8379056035. The cubic root of 70238444 is about 412.5959500091.

The spelling of 70238444 in words is "seventy million, two hundred thirty-eight thousand, four hundred forty-four".