708694445 has 4 divisors (see below), whose sum is σ = 850433340. Its totient is φ = 566955552.

The previous prime is 708694397. The next prime is 708694447. The reversal of 708694445 is 544496807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 539121961 + 169572484 = 23219^2 + 13022^2 .

It is a cyclic number.

It is not a de Polignac number, because 708694445 - 2²⁸ = 440258989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 708694445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708694447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70869440 + ... + 70869449.

It is an arithmetic number, because the mean of its divisors is an integer number (212608335).

Almost surely, 2^708694445 is an apocalyptic number.

It is an amenable number.

708694445 is a deficient number, since it is larger than the sum of its proper divisors (141738895).

708694445 is a wasteful number, since it uses less digits than its factorization.

708694445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141738894.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 708694445 is about 26621.3156136206. The cubic root of 708694445 is about 891.5649967443.

The spelling of 708694445 in words is "seven hundred eight million, six hundred ninety-four thousand, four hundred forty-five".