705666075 has 24 divisors (see below), whose sum is σ = 1171572336. Its totient is φ = 374784000.

The previous prime is 705666053. The next prime is 705666103. The reversal of 705666075 is 570666507.

705666075 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 705666075 - 2⁶ = 705666011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446 + ... + 37595.

It is an arithmetic number, because the mean of its divisors is an integer number (48815514).

Almost surely, 2^705666075 is an apocalyptic number.

705666075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

705666075 is a deficient number, since it is larger than the sum of its proper divisors (465906261).

705666075 is a wasteful number, since it uses less digits than its factorization.

705666075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39295 (or 39290 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 705666075 is about 26564.3760513964. The cubic root of 705666075 is about 890.2932480620.

The spelling of 705666075 in words is "seven hundred five million, six hundred sixty-six thousand, seventy-five".