70712039 has 2 divisors, whose sum is σ = 70712040. Its totient is φ = 70712038.

The previous prime is 70712029. The next prime is 70712071. The reversal of 70712039 is 93021707.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70712039 - 2⁸ = 70711783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70712009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35356019 + 35356020.

It is an arithmetic number, because the mean of its divisors is an integer number (35356020).

Almost surely, 2^70712039 is an apocalyptic number.

70712039 is a deficient number, since it is larger than the sum of its proper divisors (1).

70712039 is an equidigital number, since it uses as much as digits as its factorization.

70712039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70712039 is about 8409.0450706367. The cubic root of 70712039 is about 413.5212070105.

The spelling of 70712039 in words is "seventy million, seven hundred twelve thousand, thirty-nine".