706766220 has 36 divisors (see below), whose sum is σ = 2143858080. Its totient is φ = 188470944.

The previous prime is 706766219. The next prime is 706766257. The reversal of 706766220 is 22667607.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1963060 + ... + 1963419.

Almost surely, 2^706766220 is an apocalyptic number.

It is an amenable number.

706766220 is an abundant number, since it is smaller than the sum of its proper divisors (1437091860).

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

706766220 is a wasteful number, since it uses less digits than its factorization.

706766220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926494 (or 3926489 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 706766220 is about 26585.0751362489. The cubic root of 706766220 is about 890.7556684365.

The spelling of 706766220 in words is "seven hundred six million, seven hundred sixty-six thousand, two hundred twenty".