70601939 has 2 divisors, whose sum is σ = 70601940. Its totient is φ = 70601938.

The previous prime is 70601893. The next prime is 70601941. The reversal of 70601939 is 93910607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70601939 - 2⁸ = 70601683 is a prime.

It is a Sophie Germain prime.

Together with 70601941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70601899 and 70601908.

It is not a weakly prime, because it can be changed into another prime (70601039) 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, 35300969 + 35300970.

It is an arithmetic number, because the mean of its divisors is an integer number (35300970).

Almost surely, 2^70601939 is an apocalyptic number.

70601939 is a deficient number, since it is larger than the sum of its proper divisors (1).

70601939 is an equidigital number, since it uses as much as digits as its factorization.

70601939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 70601939 is about 8402.4959982139. The cubic root of 70601939 is about 413.3064753765.

The spelling of 70601939 in words is "seventy million, six hundred one thousand, nine hundred thirty-nine".