705770513 has 8 divisors (see below), whose sum is σ = 807649920. Its totient is φ = 604154880.

The previous prime is 705770503. The next prime is 705770539. The reversal of 705770513 is 315077507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 705770513 - 2¹⁶ = 705704977 is a prime.

It is a super-2 number, since 2×705770513² = 996224034040566338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (705770503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60173 + ... + 70938.

It is an arithmetic number, because the mean of its divisors is an integer number (100956240).

Almost surely, 2^705770513 is an apocalyptic number.

It is an amenable number.

705770513 is a deficient number, since it is larger than the sum of its proper divisors (101879407).

705770513 is a wasteful number, since it uses less digits than its factorization.

705770513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131887.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 705770513 is about 26566.3417315971. The cubic root of 705770513 is about 890.3371667854.

The spelling of 705770513 in words is "seven hundred five million, seven hundred seventy thousand, five hundred thirteen".