70768039 has 2 divisors, whose sum is σ = 70768040. Its totient is φ = 70768038.

The previous prime is 70768037. The next prime is 70768069. The reversal of 70768039 is 93086707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70768039 - 2¹ = 70768037 is a prime.

Together with 70768037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 70767992 and 70768010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70768037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35384019 + 35384020.

It is an arithmetic number, because the mean of its divisors is an integer number (35384020).

Almost surely, 2^70768039 is an apocalyptic number.

70768039 is a deficient number, since it is larger than the sum of its proper divisors (1).

70768039 is an equidigital number, since it uses as much as digits as its factorization.

70768039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70768039 is about 8412.3741595343. The cubic root of 70768039 is about 413.6303401347.

The spelling of 70768039 in words is "seventy million, seven hundred sixty-eight thousand, thirty-nine".