70530359 has 4 divisors (see below), whose sum is σ = 70586616. Its totient is φ = 70474104.

The previous prime is 70530347. The next prime is 70530367. The reversal of 70530359 is 95303507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95303507 = 13 ⋅7331039.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70530359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70530319) 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, 26204 + ... + 28769.

It is an arithmetic number, because the mean of its divisors is an integer number (17646654).

Almost surely, 2^70530359 is an apocalyptic number.

70530359 is a deficient number, since it is larger than the sum of its proper divisors (56257).

70530359 is a wasteful number, since it uses less digits than its factorization.

70530359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56256.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 70530359 is about 8398.2354694305. The cubic root of 70530359 is about 413.1667507850.

The spelling of 70530359 in words is "seventy million, five hundred thirty thousand, three hundred fifty-nine".