705934081 has 4 divisors (see below), whose sum is σ = 705998592. Its totient is φ = 705869572.

The previous prime is 705934057. The next prime is 705934091. The reversal of 705934081 is 180439507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 180439507 = 53 ⋅3404519.

It is a cyclic number.

It is not a de Polignac number, because 705934081 - 2¹³ = 705925889 is a prime.

It is a super-2 number, since 2×705934081² = 996685853434629122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705934081.

It is not an unprimeable number, because it can be changed into a prime (705934051) 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, 11305 + ... + 39238.

It is an arithmetic number, because the mean of its divisors is an integer number (176499648).

Almost surely, 2^705934081 is an apocalyptic number.

It is an amenable number.

705934081 is a deficient number, since it is larger than the sum of its proper divisors (64511).

705934081 is a wasteful number, since it uses less digits than its factorization.

705934081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64510.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 705934081 is about 26569.4200350704. The cubic root of 705934081 is about 890.4059424087.

The spelling of 705934081 in words is "seven hundred five million, nine hundred thirty-four thousand, eighty-one".