70064663 has 2 divisors, whose sum is σ = 70064664. Its totient is φ = 70064662.

The previous prime is 70064651. The next prime is 70064671. The reversal of 70064663 is 36646007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70064663 - 2¹⁰ = 70063639 is a prime.

It is a super-3 number, since 3×70064663³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70064623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35032331 + 35032332.

It is an arithmetic number, because the mean of its divisors is an integer number (35032332).

Almost surely, 2^70064663 is an apocalyptic number.

70064663 is a deficient number, since it is larger than the sum of its proper divisors (1).

70064663 is an equidigital number, since it uses as much as digits as its factorization.

70064663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 70064663 is about 8370.4637267000. The cubic root of 70064663 is about 412.2553931497.

The spelling of 70064663 in words is "seventy million, sixty-four thousand, six hundred sixty-three".