70404043 has 2 divisors, whose sum is σ = 70404044. Its totient is φ = 70404042.

The previous prime is 70404023. The next prime is 70404071. The reversal of 70404043 is 34040407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70404043 - 2¹⁷ = 70272971 is a prime.

It is not a weakly prime, because it can be changed into another prime (70404013) 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 as a sum of consecutive naturals, namely, 35202021 + 35202022.

It is an arithmetic number, because the mean of its divisors is an integer number (35202022).

Almost surely, 2^70404043 is an apocalyptic number.

70404043 is a deficient number, since it is larger than the sum of its proper divisors (1).

70404043 is an equidigital number, since it uses as much as digits as its factorization.

70404043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 70404043 is about 8390.7117099803. The cubic root of 70404043 is about 412.9199504034.

It can be divided in two parts, 7040404 and 3, that added together give a palindrome (7040407).

The spelling of 70404043 in words is "seventy million, four hundred four thousand, forty-three".