706445318 has 4 divisors (see below), whose sum is σ = 1059667980. Its totient is φ = 353222658.

The previous prime is 706445317. The next prime is 706445359. The reversal of 706445318 is 813544607.

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

It is a super-2 number, since 2×706445318² = 998129974648242248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706445317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176611328 + ... + 176611331.

It is an arithmetic number, because the mean of its divisors is an integer number (264916995).

Almost surely, 2^706445318 is an apocalyptic number.

706445318 is a deficient number, since it is larger than the sum of its proper divisors (353222662).

706445318 is a wasteful number, since it uses less digits than its factorization.

706445318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353222661.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 706445318 is about 26579.0390721711. The cubic root of 706445318 is about 890.6208343427.

The spelling of 706445318 in words is "seven hundred six million, four hundred forty-five thousand, three hundred eighteen".