70738039 has 2 divisors, whose sum is σ = 70738040. Its totient is φ = 70738038.

The previous prime is 70738009. The next prime is 70738051. The reversal of 70738039 is 93083707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70738039 - 2¹¹ = 70735991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70737989 and 70738007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70738009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35369019 + 35369020.

It is an arithmetic number, because the mean of its divisors is an integer number (35369020).

Almost surely, 2^70738039 is an apocalyptic number.

70738039 is a deficient number, since it is larger than the sum of its proper divisors (1).

70738039 is an equidigital number, since it uses as much as digits as its factorization.

70738039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 70738039 is about 8410.5908829285. The cubic root of 70738039 is about 413.5718831238.

The spelling of 70738039 in words is "seventy million, seven hundred thirty-eight thousand, thirty-nine".