705401613 has 24 divisors (see below), whose sum is σ = 1167753600. Its totient is φ = 401950944.

The previous prime is 705401603. The next prime is 705401617. The reversal of 705401613 is 316104507.

705401613 is a `hidden beast` number, since 7 + 0 + 5 + 40 + 1 + 613 = 666.

It is not a de Polignac number, because 705401613 - 2⁶ = 705401549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705401617) 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 23 ways as a sum of consecutive naturals, for example, 7023 + ... + 38211.

It is an arithmetic number, because the mean of its divisors is an integer number (48656400).

Almost surely, 2^705401613 is an apocalyptic number.

It is an amenable number.

705401613 is a deficient number, since it is larger than the sum of its proper divisors (462351987).

705401613 is a wasteful number, since it uses less digits than its factorization.

705401613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31561 (or 31558 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 705401613 is about 26559.3978282641. The cubic root of 705401613 is about 890.1820159649.

The spelling of 705401613 in words is "seven hundred five million, four hundred one thousand, six hundred thirteen".