700012729 has 4 divisors (see below), whose sum is σ = 753859876. Its totient is φ = 646165584.

The previous prime is 700012727. The next prime is 700012771. The reversal of 700012729 is 927210007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927210007 = 2339 ⋅396413.

It can be written as a sum of positive squares in 2 ways, for example, as 248535225 + 451477504 = 15765^2 + 21248^2 .

It is a cyclic number.

It is not a de Polignac number, because 700012729 - 2¹ = 700012727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 700012697 and 700012706.

It is not an unprimeable number, because it can be changed into a prime (700012727) 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, 26923554 + ... + 26923579.

It is an arithmetic number, because the mean of its divisors is an integer number (188464969).

Almost surely, 2^700012729 is an apocalyptic number.

It is an amenable number.

700012729 is a deficient number, since it is larger than the sum of its proper divisors (53847147).

700012729 is a wasteful number, since it uses less digits than its factorization.

700012729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53847146.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 700012729 is about 26457.7536650412. The cubic root of 700012729 is about 887.9093836767.

The spelling of 700012729 in words is "seven hundred million, twelve thousand, seven hundred twenty-nine".