707897 has 4 divisors (see below), whose sum is σ = 749556. Its totient is φ = 666240.

The previous prime is 707887. The next prime is 707911. The reversal of 707897 is 798707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 657721 + 50176 = 811^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 707897 - 2¹⁶ = 642361 is a prime.

It is a super-2 number, since 2×707897² = 1002236325218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 707897.

It is not an unprimeable number, because it can be changed into a prime (707827) by changing a digit.

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, 20804 + ... + 20837.

It is an arithmetic number, because the mean of its divisors is an integer number (187389).

2⁷⁰⁷⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

707897 is a deficient number, since it is larger than the sum of its proper divisors (41659).

707897 is a wasteful number, since it uses less digits than its factorization.

707897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41658.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 707897 is about 841.3661509711. The cubic root of 707897 is about 89.1230465697.

The spelling of 707897 in words is "seven hundred seven thousand, eight hundred ninety-seven".