70985448 has 48 divisors (see below), whose sum is σ = 192641280. Its totient is φ = 23613984.

The previous prime is 70985441. The next prime is 70985449. The reversal of 70985448 is 84458907.

It is not an unprimeable number, because it can be changed into a prime (70985441) 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 11 ways as a sum of consecutive naturals, for example, 64761 + ... + 65847.

It is an arithmetic number, because the mean of its divisors is an integer number (4013360).

Almost surely, 2^70985448 is an apocalyptic number.

It is an amenable number.

70985448 is an abundant number, since it is smaller than the sum of its proper divisors (121655832).

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

70985448 is a wasteful number, since it uses less digits than its factorization.

70985448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 70985448 is about 8425.2862265919. The cubic root of 70985448 is about 414.0534832535.

The spelling of 70985448 in words is "seventy million, nine hundred eighty-five thousand, four hundred forty-eight".