70045441 has 2 divisors, whose sum is σ = 70045442. Its totient is φ = 70045440.

The previous prime is 70045439. The next prime is 70045447. The reversal of 70045441 is 14454007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 30305025 = 6304^2 + 5505^2 .

It is a cyclic number.

It is not a de Polignac number, because 70045441 - 2¹ = 70045439 is a prime.

Together with 70045439, it forms a pair of twin primes.

It is equal to p_4120576 and since 70045441 and 4120576 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (70045447) 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, 35022720 + 35022721.

It is an arithmetic number, because the mean of its divisors is an integer number (35022721).

Almost surely, 2^70045441 is an apocalyptic number.

It is an amenable number.

70045441 is a deficient number, since it is larger than the sum of its proper divisors (1).

70045441 is an equidigital number, since it uses as much as digits as its factorization.

70045441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 70045441 is about 8369.3154439297. The cubic root of 70045441 is about 412.2176894171.

Adding to 70045441 its reverse (14454007), we get a palindrome (84499448).

The spelling of 70045441 in words is "seventy million, forty-five thousand, four hundred forty-one".