709940029 has 4 divisors (see below), whose sum is σ = 725045184. Its totient is φ = 694834876.

The previous prime is 709940017. The next prime is 709940059. The reversal of 709940029 is 920049907.

709940029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 920049907 = 7 ⋅131435701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-709940029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 709939973 and 709940000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709940059) 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, 7552507 + ... + 7552600.

It is an arithmetic number, because the mean of its divisors is an integer number (181261296).

Almost surely, 2^709940029 is an apocalyptic number.

It is an amenable number.

709940029 is a deficient number, since it is larger than the sum of its proper divisors (15105155).

709940029 is a wasteful number, since it uses less digits than its factorization.

709940029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105154.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 709940029 is about 26644.6998294220. The cubic root of 709940029 is about 892.0870219651.

The spelling of 709940029 in words is "seven hundred nine million, nine hundred forty thousand, twenty-nine".