705732243 has 4 divisors (see below), whose sum is σ = 940976328. Its totient is φ = 470488160.

The previous prime is 705732233. The next prime is 705732263. The reversal of 705732243 is 342237507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342237507 = 3 ⋅114079169.

It is a cyclic number.

It is not a de Polignac number, because 705732243 - 2⁴ = 705732227 is a prime.

It is a super-2 number, since 2×705732243² = 996115997619622098, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 117622038 + ... + 117622043.

It is an arithmetic number, because the mean of its divisors is an integer number (235244082).

Almost surely, 2^705732243 is an apocalyptic number.

705732243 is a deficient number, since it is larger than the sum of its proper divisors (235244085).

705732243 is a wasteful number, since it uses less digits than its factorization.

705732243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235244084.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 705732243 is about 26565.6214495351. The cubic root of 705732243 is about 890.3210738210.

The spelling of 705732243 in words is "seven hundred five million, seven hundred thirty-two thousand, two hundred forty-three".