729601967 has 4 divisors (see below), whose sum is σ = 731767296. Its totient is φ = 727436640.

The previous prime is 729601963. The next prime is 729601979. The reversal of 729601967 is 769106927.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 729601967 - 2² = 729601963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729601963) 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, 1082159 + ... + 1082832.

It is an arithmetic number, because the mean of its divisors is an integer number (182941824).

Almost surely, 2^729601967 is an apocalyptic number.

729601967 is a deficient number, since it is larger than the sum of its proper divisors (2165329).

729601967 is a wasteful number, since it uses less digits than its factorization.

729601967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165328.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 729601967 is about 27011.1452367352. The cubic root of 729601967 is about 900.2476548913.

The spelling of 729601967 in words is "seven hundred twenty-nine million, six hundred one thousand, nine hundred sixty-seven".