70589145 has 16 divisors (see below), whose sum is σ = 123210432. Its totient is φ = 34224960.

The previous prime is 70589143. The next prime is 70589149. The reversal of 70589145 is 54198507.

It is not a de Polignac number, because 70589145 - 2¹ = 70589143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70589143) 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 15 ways as a sum of consecutive naturals, for example, 213742 + ... + 214071.

It is an arithmetic number, because the mean of its divisors is an integer number (7700652).

Almost surely, 2^70589145 is an apocalyptic number.

It is an amenable number.

70589145 is a deficient number, since it is larger than the sum of its proper divisors (52621287).

70589145 is a wasteful number, since it uses less digits than its factorization.

70589145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427832.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 70589145 is about 8401.7346423224. The cubic root of 70589145 is about 413.2815083451.

The spelling of 70589145 in words is "seventy million, five hundred eighty-nine thousand, one hundred forty-five".