705311642 has 16 divisors (see below), whose sum is σ = 1209764160. Its totient is φ = 302111808.

The previous prime is 705311603. The next prime is 705311647. The reversal of 705311642 is 246113507.

It is not an unprimeable number, because it can be changed into a prime (705311647) 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, 14978 + ... + 40434.

It is an arithmetic number, because the mean of its divisors is an integer number (75610260).

Almost surely, 2^705311642 is an apocalyptic number.

705311642 is a deficient number, since it is larger than the sum of its proper divisors (504452518).

705311642 is a wasteful number, since it uses less digits than its factorization.

705311642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27445.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 705311642 is about 26557.7040046763. The cubic root of 705311642 is about 890.1441680354.

The spelling of 705311642 in words is "seven hundred five million, three hundred eleven thousand, six hundred forty-two".