70587719 has 2 divisors, whose sum is σ = 70587720. Its totient is φ = 70587718.

The previous prime is 70587709. The next prime is 70587721. The reversal of 70587719 is 91778507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70587719 - 2¹⁶ = 70522183 is a prime.

It is a super-2 number, since 2×70587719² = 9965252147245922, which contains 22 as substring.

Together with 70587721, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70587719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70587709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35293859 + 35293860.

It is an arithmetic number, because the mean of its divisors is an integer number (35293860).

Almost surely, 2^70587719 is an apocalyptic number.

70587719 is a deficient number, since it is larger than the sum of its proper divisors (1).

70587719 is an equidigital number, since it uses as much as digits as its factorization.

70587719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 70587719 is about 8401.6497784661. The cubic root of 70587719 is about 413.2787253704.

The spelling of 70587719 in words is "seventy million, five hundred eighty-seven thousand, seven hundred nineteen".