70806444 has 24 divisors (see below), whose sum is σ = 165451440. Its totient is φ = 23568384.

The previous prime is 70806433. The next prime is 70806457. The reversal of 70806444 is 44460807.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5392 + ... + 13064.

It is an arithmetic number, because the mean of its divisors is an integer number (6893810).

Almost surely, 2^70806444 is an apocalyptic number.

It is an amenable number.

70806444 is an abundant number, since it is smaller than the sum of its proper divisors (94644996).

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

70806444 is a wasteful number, since it uses less digits than its factorization.

70806444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449 (or 8447 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 70806444 is about 8414.6564992280. The cubic root of 70806444 is about 413.7051507445.

The spelling of 70806444 in words is "seventy million, eight hundred six thousand, four hundred forty-four".