70385719 has 2 divisors, whose sum is σ = 70385720. Its totient is φ = 70385718.

The previous prime is 70385701. The next prime is 70385759. The reversal of 70385719 is 91758307.

It is an a-pointer prime, because the next prime (70385759) can be obtained adding 70385719 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70385719 - 2⁵ = 70385687 is a prime.

It is a super-2 number, since 2×70385719² = 9908298878293922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70385759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35192859 + 35192860.

It is an arithmetic number, because the mean of its divisors is an integer number (35192860).

Almost surely, 2^70385719 is an apocalyptic number.

70385719 is a deficient number, since it is larger than the sum of its proper divisors (1).

70385719 is an equidigital number, since it uses as much as digits as its factorization.

70385719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 70385719 is about 8389.6197172458. The cubic root of 70385719 is about 412.8841238544.

The spelling of 70385719 in words is "seventy million, three hundred eighty-five thousand, seven hundred nineteen".