706637 has 4 divisors (see below), whose sum is σ = 708576. Its totient is φ = 704700.

The previous prime is 706633. The next prime is 706661. The reversal of 706637 is 736607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 706637 - 2² = 706633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (177144).

2⁷⁰⁶⁶³⁷ is an apocalyptic number.

It is an amenable number.

706637 is a deficient number, since it is larger than the sum of its proper divisors (1939).

706637 is a wasteful number, since it uses less digits than its factorization.

706637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 706637 is about 840.6170352783. The cubic root of 706637 is about 89.0701378696.

The spelling of 706637 in words is "seven hundred six thousand, six hundred thirty-seven".