70448863 has 2 divisors, whose sum is σ = 70448864. Its totient is φ = 70448862.

The previous prime is 70448849. The next prime is 70448881. The reversal of 70448863 is 36884407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70448863 - 2⁵ = 70448831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70448893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35224431 + 35224432.

It is an arithmetic number, because the mean of its divisors is an integer number (35224432).

Almost surely, 2^70448863 is an apocalyptic number.

70448863 is a deficient number, since it is larger than the sum of its proper divisors (1).

70448863 is an equidigital number, since it uses as much as digits as its factorization.

70448863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 70448863 is about 8393.3820954369. The cubic root of 70448863 is about 413.0075549666.

The spelling of 70448863 in words is "seventy million, four hundred forty-eight thousand, eight hundred sixty-three".