70168619 has 2 divisors, whose sum is σ = 70168620. Its totient is φ = 70168618.

The previous prime is 70168597. The next prime is 70168621. The reversal of 70168619 is 91686107.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70168619 is a prime.

It is a super-2 number, since 2×70168619² = 9847270184734322, which contains 22 as substring.

Together with 70168621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70165619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35084309 + 35084310.

It is an arithmetic number, because the mean of its divisors is an integer number (35084310).

Almost surely, 2^70168619 is an apocalyptic number.

70168619 is a deficient number, since it is larger than the sum of its proper divisors (1).

70168619 is an equidigital number, since it uses as much as digits as its factorization.

70168619 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 38.

The square root of 70168619 is about 8376.6711168578. The cubic root of 70168619 is about 412.4591822482.

The spelling of 70168619 in words is "seventy million, one hundred sixty-eight thousand, six hundred nineteen".