747706 has 8 divisors (see below), whose sum is σ = 1128564. Its totient is φ = 371520.

The previous prime is 747679. The next prime is 747713. The reversal of 747706 is 607747.

It can be written as a sum of positive squares in 2 ways, for example, as 680625 + 67081 = 825^2 + 259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 15.

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 3 ways as a sum of consecutive naturals, for example, 735 + ... + 1426.

2⁷⁴⁷⁷⁰⁶ is an apocalyptic number.

747706 is a deficient number, since it is larger than the sum of its proper divisors (380858).

747706 is a wasteful number, since it uses less digits than its factorization.

747706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 747706 is about 864.6999479588. The cubic root of 747706 is about 90.7633022668.

The spelling of 747706 in words is "seven hundred forty-seven thousand, seven hundred six".