705869136 has 120 divisors (see below), whose sum is σ = 2266007744. Its totient is φ = 200931840.

The previous prime is 705869111. The next prime is 705869147. The reversal of 705869136 is 631968507.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 705869091 and 705869100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308316 + ... + 310596.

Almost surely, 2^705869136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705869136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133003872).

705869136 is an abundant number, since it is smaller than the sum of its proper divisors (1560138608).

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

705869136 is a wasteful number, since it uses less digits than its factorization.

705869136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2600 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 705869136 is about 26568.1978312418. The cubic root of 705869136 is about 890.3786361824.

The spelling of 705869136 in words is "seven hundred five million, eight hundred sixty-nine thousand, one hundred thirty-six".