706737066 has 16 divisors (see below), whose sum is σ = 1615399104. Its totient is φ = 201924864.

The previous prime is 706737061. The next prime is 706737067. The reversal of 706737066 is 660737607.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 16827073 = 706737066 / (7 + 0 + 6 + 7 + 3 + 7 + 0 + 6 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (706737061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8413495 + ... + 8413578.

It is an arithmetic number, because the mean of its divisors is an integer number (100962444).

Almost surely, 2^706737066 is an apocalyptic number.

706737066 is an abundant number, since it is smaller than the sum of its proper divisors (908662038).

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

706737066 is a wasteful number, since it uses less digits than its factorization.

706737066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16827085.

The product of its (nonzero) digits is 222264, while the sum is 42.

The square root of 706737066 is about 26584.5268154240. The cubic root of 706737066 is about 890.7434204224.

The spelling of 706737066 in words is "seven hundred six million, seven hundred thirty-seven thousand, sixty-six".