70797019 has 2 divisors, whose sum is σ = 70797020. Its totient is φ = 70797018.

The previous prime is 70797017. The next prime is 70797031. The reversal of 70797019 is 91079707.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70797019 - 2¹ = 70797017 is a prime.

It is a super-2 number, since 2×70797019² = 10024435798572722, which contains 22 as substring.

Together with 70797017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70797017) 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, 35398509 + 35398510.

It is an arithmetic number, because the mean of its divisors is an integer number (35398510).

Almost surely, 2^70797019 is an apocalyptic number.

70797019 is a deficient number, since it is larger than the sum of its proper divisors (1).

70797019 is an equidigital number, since it uses as much as digits as its factorization.

70797019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 70797019 is about 8414.0964458461. The cubic root of 70797019 is about 413.6867939216.

The spelling of 70797019 in words is "seventy million, seven hundred ninety-seven thousand, nineteen".