696516729 has 4 divisors (see below), whose sum is σ = 928688976. Its totient is φ = 464344484.

The previous prime is 696516719. The next prime is 696516731. The reversal of 696516729 is 927615696.

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.

It is a cyclic number.

It is not a de Polignac number, because 696516729 - 2⁴ = 696516713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (696516719) 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, 116086119 + ... + 116086124.

It is an arithmetic number, because the mean of its divisors is an integer number (232172244).

Almost surely, 2^696516729 is an apocalyptic number.

It is an amenable number.

696516729 is a deficient number, since it is larger than the sum of its proper divisors (232172247).

696516729 is a wasteful number, since it uses less digits than its factorization.

696516729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232172246.

The product of its digits is 1224720, while the sum is 51.

The square root of 696516729 is about 26391.6033806209. The cubic root of 696516729 is about 886.4287852973.

The spelling of 696516729 in words is "six hundred ninety-six million, five hundred sixteen thousand, seven hundred twenty-nine".