70064671 has 2 divisors, whose sum is σ = 70064672. Its totient is φ = 70064670.

The previous prime is 70064663. The next prime is 70064689. The reversal of 70064671 is 17646007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70064671 - 2³ = 70064663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70064641) 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, 35032335 + 35032336.

It is an arithmetic number, because the mean of its divisors is an integer number (35032336).

Almost surely, 2^70064671 is an apocalyptic number.

70064671 is a deficient number, since it is larger than the sum of its proper divisors (1).

70064671 is an equidigital number, since it uses as much as digits as its factorization.

70064671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70064671 is about 8370.4642045707. The cubic root of 70064671 is about 412.2554088402.

The spelling of 70064671 in words is "seventy million, sixty-four thousand, six hundred seventy-one".