706663366 has 4 divisors (see below), whose sum is σ = 1059995052. Its totient is φ = 353331682.

The previous prime is 706663303. The next prime is 706663369. The reversal of 706663366 is 663366607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663366607 = 97 ⋅6838831.

It is a super-2 number, since 2×706663366² = 998746225692899912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706663369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176665840 + ... + 176665843.

It is an arithmetic number, because the mean of its divisors is an integer number (264998763).

Almost surely, 2^706663366 is an apocalyptic number.

706663366 is a deficient number, since it is larger than the sum of its proper divisors (353331686).

706663366 is a wasteful number, since it uses less digits than its factorization.

706663366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353331685.

The product of its (nonzero) digits is 489888, while the sum is 43.

The square root of 706663366 is about 26583.1406346203. The cubic root of 706663366 is about 890.7124564919.

The spelling of 706663366 in words is "seven hundred six million, six hundred sixty-three thousand, three hundred sixty-six".