705406266 has 32 divisors (see below), whose sum is σ = 1621627200. Its totient is φ = 227026800.

The previous prime is 705406259. The next prime is 705406267. The reversal of 705406266 is 662604507.

It is a super-2 number, since 2×705406266² = 995196000224125512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 705406266.

It is not an unprimeable number, because it can be changed into a prime (705406267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223660 + ... + 226791.

It is an arithmetic number, because the mean of its divisors is an integer number (50675850).

Almost surely, 2^705406266 is an apocalyptic number.

705406266 is an abundant number, since it is smaller than the sum of its proper divisors (916220934).

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

705406266 is a wasteful number, since it uses less digits than its factorization.

705406266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450491 (or 450485 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 705406266 is about 26559.4854242321. The cubic root of 705406266 is about 890.1839732460.

The spelling of 705406266 in words is "seven hundred five million, four hundred six thousand, two hundred sixty-six".