70539359 has 4 divisors (see below), whose sum is σ = 76952040. Its totient is φ = 64126680.

The previous prime is 70539349. The next prime is 70539361. The reversal of 70539359 is 95393507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70539359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70539319) 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 in 3 ways as a sum of consecutive naturals, for example, 3206324 + ... + 3206345.

It is an arithmetic number, because the mean of its divisors is an integer number (19238010).

Almost surely, 2^70539359 is an apocalyptic number.

70539359 is a deficient number, since it is larger than the sum of its proper divisors (6412681).

70539359 is a wasteful number, since it uses less digits than its factorization.

70539359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412680.

The product of its (nonzero) digits is 127575, while the sum is 41.

The square root of 70539359 is about 8398.7712791813. The cubic root of 70539359 is about 413.1843240336.

The spelling of 70539359 in words is "seventy million, five hundred thirty-nine thousand, three hundred fifty-nine".