705732238 has 16 divisors (see below), whose sum is σ = 1118442240. Its totient is φ = 333055800.

The previous prime is 705732233. The next prime is 705732263. The reversal of 705732238 is 832237507.

It is a junction number, because it is equal to n+sod(n) for n = 705732197 and 705732206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705732233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23968 + ... + 44563.

It is an arithmetic number, because the mean of its divisors is an integer number (69902640).

Almost surely, 2^705732238 is an apocalyptic number.

705732238 is a deficient number, since it is larger than the sum of its proper divisors (412710002).

705732238 is a wasteful number, since it uses less digits than its factorization.

705732238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68823.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 705732238 is about 26565.6213554285. The cubic root of 705732238 is about 890.3210717184.

The spelling of 705732238 in words is "seven hundred five million, seven hundred thirty-two thousand, two hundred thirty-eight".