70444463 has 2 divisors, whose sum is σ = 70444464. Its totient is φ = 70444462.

The previous prime is 70444459. The next prime is 70444477. The reversal of 70444463 is 36444407.

It is a weak prime.

It is an emirp because it is prime and its reverse (36444407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70444463 - 2² = 70444459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70444453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35222231 + 35222232.

It is an arithmetic number, because the mean of its divisors is an integer number (35222232).

Almost surely, 2^70444463 is an apocalyptic number.

70444463 is a deficient number, since it is larger than the sum of its proper divisors (1).

70444463 is an equidigital number, since it uses as much as digits as its factorization.

70444463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 70444463 is about 8393.1199800789. The cubic root of 70444463 is about 412.9989564314.

It can be divided in two parts, 70444 and 463, that added together give a palindrome (70907).

The spelling of 70444463 in words is "seventy million, four hundred forty-four thousand, four hundred sixty-three".