705860427 has 4 divisors (see below), whose sum is σ = 941147240. Its totient is φ = 470573616.

The previous prime is 705860411. The next prime is 705860461. The reversal of 705860427 is 724068507.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 705860427 - 2⁴ = 705860411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705860027) 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, 117643402 + ... + 117643407.

It is an arithmetic number, because the mean of its divisors is an integer number (235286810).

Almost surely, 2^705860427 is an apocalyptic number.

705860427 is a deficient number, since it is larger than the sum of its proper divisors (235286813).

705860427 is a wasteful number, since it uses less digits than its factorization.

705860427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235286812.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 705860427 is about 26568.0339317760. The cubic root of 705860427 is about 890.3749743424.

The spelling of 705860427 in words is "seven hundred five million, eight hundred sixty thousand, four hundred twenty-seven".