729995 has 8 divisors (see below), whose sum is σ = 1001184. Its totient is φ = 500544.

The previous prime is 729991. The next prime is 730003. The reversal of 729995 is 599927.

729995 = T₁₀₈ + T₁₀₉ + ... + T₁₇₇.

729995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 729995 - 2² = 729991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10394 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (125148).

2⁷²⁹⁹⁹⁵ is an apocalyptic number.

729995 is a deficient number, since it is larger than the sum of its proper divisors (271189).

729995 is a wasteful number, since it uses less digits than its factorization.

729995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20869.

The product of its digits is 51030, while the sum is 41.

The square root of 729995 is about 854.3974484981. The cubic root of 729995 is about 90.0409278871.

The spelling of 729995 in words is "seven hundred twenty-nine thousand, nine hundred ninety-five".