706706172 has 36 divisors (see below), whose sum is σ = 1788554040. Its totient is φ = 235284192.

The previous prime is 706706153. The next prime is 706706183. The reversal of 706706172 is 271607607.

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

It is a super-2 number, since 2×706706172² = 998867227085787168, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19498 + ... + 42350.

Almost surely, 2^706706172 is an apocalyptic number.

It is an amenable number.

706706172 is an abundant number, since it is smaller than the sum of its proper divisors (1081847868).

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

706706172 is a wasteful number, since it uses less digits than its factorization.

706706172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722 (or 23717 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 706706172 is about 26583.9457567909. The cubic root of 706706172 is about 890.7304410417.

The spelling of 706706172 in words is "seven hundred six million, seven hundred six thousand, one hundred seventy-two".