706807428 has 12 divisors (see below), whose sum is σ = 1649217360. Its totient is φ = 235602472.

The previous prime is 706807399. The next prime is 706807463. The reversal of 706807428 is 824708607.

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

It is a self number, because there is not a number n which added to its sum of digits gives 706807428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29450298 + ... + 29450321.

It is an arithmetic number, because the mean of its divisors is an integer number (137434780).

Almost surely, 2^706807428 is an apocalyptic number.

It is an amenable number.

706807428 is an abundant number, since it is smaller than the sum of its proper divisors (942409932).

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

706807428 is a wasteful number, since it uses less digits than its factorization.

706807428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58900626 (or 58900624 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 706807428 is about 26585.8501462714. The cubic root of 706807428 is about 890.7729799346.

The spelling of 706807428 in words is "seven hundred six million, eight hundred seven thousand, four hundred twenty-eight".