700007729 has 4 divisors (see below), whose sum is σ = 713215476. Its totient is φ = 686799984.

The previous prime is 700007723. The next prime is 700007813. The reversal of 700007729 is 927700007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927700007 = 13 ⋅71361539.

It can be written as a sum of positive squares in 2 ways, for example, as 587965504 + 112042225 = 24248^2 + 10585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700007729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 700007695 and 700007704.

It is not an unprimeable number, because it can be changed into a prime (700007723) 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, 6603794 + ... + 6603899.

It is an arithmetic number, because the mean of its divisors is an integer number (178303869).

Almost surely, 2^700007729 is an apocalyptic number.

It is an amenable number.

700007729 is a deficient number, since it is larger than the sum of its proper divisors (13207747).

700007729 is a wasteful number, since it uses less digits than its factorization.

700007729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13207746.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 700007729 is about 26457.6591746133. The cubic root of 700007729 is about 887.9072696401.

The spelling of 700007729 in words is "seven hundred million, seven thousand, seven hundred twenty-nine".