70508839 has 2 divisors, whose sum is σ = 70508840. Its totient is φ = 70508838.

The previous prime is 70508833. The next prime is 70508887. The reversal of 70508839 is 93880507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70508839 - 2⁹ = 70508327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70508833) 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, 35254419 + 35254420.

It is an arithmetic number, because the mean of its divisors is an integer number (35254420).

Almost surely, 2^70508839 is an apocalyptic number.

70508839 is a deficient number, since it is larger than the sum of its proper divisors (1).

70508839 is an equidigital number, since it uses as much as digits as its factorization.

70508839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 70508839 is about 8396.9541501666. The cubic root of 70508839 is about 413.1247251332.

The spelling of 70508839 in words is "seventy million, five hundred eight thousand, eight hundred thirty-nine".