705640195 has 8 divisors (see below), whose sum is σ = 911904336. Its totient is φ = 521088096.

The previous prime is 705640193. The next prime is 705640223. The reversal of 705640195 is 591046507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 705640195 - 2¹ = 705640193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705640193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5427937 + ... + 5428066.

It is an arithmetic number, because the mean of its divisors is an integer number (113988042).

Almost surely, 2^705640195 is an apocalyptic number.

705640195 is a deficient number, since it is larger than the sum of its proper divisors (206264141).

705640195 is a wasteful number, since it uses less digits than its factorization.

705640195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10856021.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 705640195 is about 26563.8889283930. Note that the first 3 decimals coincide. The cubic root of 705640195 is about 890.2823642215.

The spelling of 705640195 in words is "seven hundred five million, six hundred forty thousand, one hundred ninety-five".