70985028 has 12 divisors (see below), whose sum is σ = 165631760. Its totient is φ = 23661672.

The previous prime is 70985027. The next prime is 70985041. The reversal of 70985028 is 82058907.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70985021) 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 3 ways as a sum of consecutive naturals, for example, 2957698 + ... + 2957721.

Almost surely, 2^70985028 is an apocalyptic number.

It is an amenable number.

70985028 is an abundant number, since it is smaller than the sum of its proper divisors (94646732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70985028 is a wasteful number, since it uses less digits than its factorization.

70985028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915426 (or 5915424 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 70985028 is about 8425.2613015858. The cubic root of 70985028 is about 414.0526666410.

The spelling of 70985028 in words is "seventy million, nine hundred eighty-five thousand, twenty-eight".