70016671 has 2 divisors, whose sum is σ = 70016672. Its totient is φ = 70016670.

The previous prime is 70016651. The next prime is 70016707. The reversal of 70016671 is 17661007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70016671 - 2²¹ = 67919519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70016641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35008335 + 35008336.

It is an arithmetic number, because the mean of its divisors is an integer number (35008336).

Almost surely, 2^70016671 is an apocalyptic number.

70016671 is a deficient number, since it is larger than the sum of its proper divisors (1).

70016671 is an equidigital number, since it uses as much as digits as its factorization.

70016671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 70016671 is about 8367.5964888372. The cubic root of 70016671 is about 412.1612445017.

Adding to 70016671 its reverse (17661007), we get a palindrome (87677678).

It can be divided in two parts, 700 and 16671, that added together give a palindrome (17371).

The spelling of 70016671 in words is "seventy million, sixteen thousand, six hundred seventy-one".