705272036 has 48 divisors (see below), whose sum is σ = 1451907072. Its totient is φ = 293498400.

The previous prime is 705272011. The next prime is 705272063. The reversal of 705272036 is 630272507.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 705271993 and 705272011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170351 + ... + 174441.

It is an arithmetic number, because the mean of its divisors is an integer number (30248064).

Almost surely, 2^705272036 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 705272036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725953536).

705272036 is an abundant number, since it is smaller than the sum of its proper divisors (746635036).

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

705272036 is a wasteful number, since it uses less digits than its factorization.

705272036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280 (or 4278 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 705272036 is about 26556.9583348696. The cubic root of 705272036 is about 890.1275060344.

The spelling of 705272036 in words is "seven hundred five million, two hundred seventy-two thousand, thirty-six".