706625747 has 4 divisors (see below), whose sum is σ = 708520560. Its totient is φ = 704730936.

The previous prime is 706625743. The next prime is 706625761. The reversal of 706625747 is 747526607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747526607 = 3259 ⋅229373.

It is a cyclic number.

It is not a de Polignac number, because 706625747 - 2² = 706625743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706625698 and 706625707.

It is not an unprimeable number, because it can be changed into a prime (706625743) 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 3 ways as a sum of consecutive naturals, for example, 946847 + ... + 947592.

It is an arithmetic number, because the mean of its divisors is an integer number (177130140).

Almost surely, 2^706625747 is an apocalyptic number.

706625747 is a deficient number, since it is larger than the sum of its proper divisors (1894813).

706625747 is a wasteful number, since it uses less digits than its factorization.

706625747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894812.

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 706625747 is about 26582.4330526760. The cubic root of 706625747 is about 890.6966506131.

The spelling of 706625747 in words is "seven hundred six million, six hundred twenty-five thousand, seven hundred forty-seven".