705378067 has 4 divisors (see below), whose sum is σ = 705648600. Its totient is φ = 705107536.

The previous prime is 705378043. The next prime is 705378071. The reversal of 705378067 is 760873507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760873507 = 67 ⋅11356321.

It is a cyclic number.

It is not a de Polignac number, because 705378067 - 2²³ = 696989459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705372067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131317 + ... + 136582.

It is an arithmetic number, because the mean of its divisors is an integer number (176412150).

Almost surely, 2^705378067 is an apocalyptic number.

705378067 is a deficient number, since it is larger than the sum of its proper divisors (270533).

705378067 is a wasteful number, since it uses less digits than its factorization.

705378067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270532.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 705378067 is about 26558.9545539729. The cubic root of 705378067 is about 890.1721112248.

The spelling of 705378067 in words is "seven hundred five million, three hundred seventy-eight thousand, sixty-seven".