70340539 has 2 divisors, whose sum is σ = 70340540. Its totient is φ = 70340538.

The previous prime is 70340497. The next prime is 70340609. The reversal of 70340539 is 93504307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70340539 - 2¹³ = 70332347 is a prime.

It is equal to p_4136926 and since 70340539 and 4136926 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70340539.

It is not a weakly prime, because it can be changed into another prime (70340639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35170269 + 35170270.

It is an arithmetic number, because the mean of its divisors is an integer number (35170270).

Almost surely, 2^70340539 is an apocalyptic number.

70340539 is a deficient number, since it is larger than the sum of its proper divisors (1).

70340539 is an equidigital number, since it uses as much as digits as its factorization.

70340539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 70340539 is about 8386.9266719103. The cubic root of 70340539 is about 412.7957626655.

The spelling of 70340539 in words is "seventy million, three hundred forty thousand, five hundred thirty-nine".