70287424 has 28 divisors (see below), whose sum is σ = 139763500. Its totient is φ = 35071488.

The previous prime is 70287421. The next prime is 70287491. The reversal of 70287424 is 42478207.

It can be written as a sum of positive squares in 2 ways, for example, as 16000000 + 54287424 = 4000^2 + 7368^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70287424.

It is not an unprimeable number, because it can be changed into a prime (70287421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44602 + ... + 46150.

Almost surely, 2^70287424 is an apocalyptic number.

It is an amenable number.

70287424 is a deficient number, since it is larger than the sum of its proper divisors (69476076).

70287424 is a wasteful number, since it uses less digits than its factorization.

70287424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 70287424 is about 8383.7595385364. The cubic root of 70287424 is about 412.6918341280.

The spelling of 70287424 in words is "seventy million, two hundred eighty-seven thousand, four hundred twenty-four".