705234870 has 32 divisors (see below), whose sum is σ = 1880627040. Its totient is φ = 188062560.

The previous prime is 705234857. The next prime is 705234877. The reversal of 705234870 is 78432507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705234877) 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 15 ways as a sum of consecutive naturals, for example, 1305721 + ... + 1306260.

It is an arithmetic number, because the mean of its divisors is an integer number (58769595).

Almost surely, 2^705234870 is an apocalyptic number.

705234870 is an abundant number, since it is smaller than the sum of its proper divisors (1175392170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705234870 is a wasteful number, since it uses less digits than its factorization.

705234870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611997 (or 2611991 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 705234870 is about 26556.2585843714. The cubic root of 705234870 is about 890.1118699591. Note that the first 3 decimals are identical.

The spelling of 705234870 in words is "seven hundred five million, two hundred thirty-four thousand, eight hundred seventy".