705750 has 32 divisors (see below), whose sum is σ = 1763424. Its totient is φ = 188000.

The previous prime is 705737. The next prime is 705751. The reversal of 705750 is 57507.

705750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 705750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705751) by changing a digit.

705750 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (55107).

2⁷⁰⁵⁷⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881712).

705750 is an abundant number, since it is smaller than the sum of its proper divisors (1057674).

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

705750 is a wasteful number, since it uses less digits than its factorization.

705750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 24.

The square root of 705750 is about 840.0892809696. The cubic root of 705750 is about 89.0328540911.

The spelling of 705750 in words is "seven hundred five thousand, seven hundred fifty".