70028585 has 24 divisors (see below), whose sum is σ = 96780096. Its totient is φ = 48235680.

The previous prime is 70028573. The next prime is 70028587. The reversal of 70028585 is 58582007.

It is not a de Polignac number, because 70028585 - 2⁶ = 70028521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70028587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18092 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (4032504).

Almost surely, 2^70028585 is an apocalyptic number.

It is an amenable number.

70028585 is a deficient number, since it is larger than the sum of its proper divisors (26751511).

70028585 is a wasteful number, since it uses less digits than its factorization.

70028585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 70028585 is about 8368.3083714691. The cubic root of 70028585 is about 412.1846208895.

The spelling of 70028585 in words is "seventy million, twenty-eight thousand, five hundred eighty-five".