705951 has 6 divisors (see below), whose sum is σ = 1019720. Its totient is φ = 470628.

The previous prime is 705949. The next prime is 705967. The reversal of 705951 is 159507.

705951 is a `hidden beast` number, since 70 + 595 + 1 = 666.

It is not a de Polignac number, because 705951 - 2¹ = 705949 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 (705751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39211 + ... + 39228.

2⁷⁰⁵⁹⁵¹ is an apocalyptic number.

705951 is a deficient number, since it is larger than the sum of its proper divisors (313769).

705951 is a wasteful number, since it uses less digits than its factorization.

705951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78445 (or 78442 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 705951 is about 840.2089025951. The cubic root of 705951 is about 89.0413055754.

The spelling of 705951 in words is "seven hundred five thousand, nine hundred fifty-one".