705234879 has 12 divisors (see below), whose sum is σ = 1022463000. Its totient is φ = 468407184.

The previous prime is 705234877. The next prime is 705234883. The reversal of 705234879 is 978432507.

705234879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 705234879 - 2¹ = 705234877 is a prime.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143229 + ... + 148070.

It is an arithmetic number, because the mean of its divisors is an integer number (85205250).

Almost surely, 2^705234879 is an apocalyptic number.

705234879 is a deficient number, since it is larger than the sum of its proper divisors (317228121).

705234879 is a wasteful number, since it uses less digits than its factorization.

705234879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291574 (or 291571 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 705234879 is about 26556.2587538230. The cubic root of 705234879 is about 890.1118737456. Note that the first 3 decimals are identical.

The spelling of 705234879 in words is "seven hundred five million, two hundred thirty-four thousand, eight hundred seventy-nine".